# data[].attributes.body
Perimeter of square ( P ) = 4xS
Perimeter  of rectangle = 2( l + b )
Perimeter of scalene triangle = a+b+c
B = A/L
B = p/2 - L
Area of square = sxs
Area of rectangle = lxb
Perimeter of regular hexagon = 6xs
Commutative property of addition : ( a + b ) = ( b + a )
Commutative property of multiplication : ( a X b ) = ( b x a )
Associative property of addition : p+(q+r)=(p+q)+r)=(p+r)+q)
Distributive property of multiplication over addition ax(b+c)=axb + axc
ax(b-c)=(axb) -(axc)
Ex. 11.2
1.P=3xl
2.P = 6xl
3.P=12xl
4.D = 2 x r

# data[].attributes.body
The perimeter of a square-

4x3=P

4s=P

The perimeter of a rectangle -

2(l+b)

Perimeter of scalene triangle-

z+y+x

Breadth = A /L

(P/2)-L

Area of square= sxs

Area of rectangle= lxb

Perimeter of regular hexagon= 6xs=6s

Perimeter of regular pentagon= 5xs= 5s

Perimeter of a regular decagon = 10xs= 10s

Commutative property of addition =

(g+d)= (d+g)

Commutative property of Multiplication =

dg= gd

Associative property of addition=

(d+a+g)=(g+a+d)= (a+d+g)

Associative property of multiplication=

(d*g)a)=(g*a)d)= (a*d)g)

Distributive property of multiplication over addition=

d*(a+g)=

da+dg

Distributive property of multiplication over subtraction-

d*(a-g)

=(d*a)-(d*g)

=da-dg

ex.11.2

1. P=3l

2.P=6l

3 .Total length =12l

4. d=2r

5. (a+b)+c)=(b+c)+a

# data[].attributes.body
Perimeter of square = (P) = 4 X s = 4s
Perimeter of Rectangle = ( P ) = 2 X (L+B)
Perimeter of scalene  Triangle  =  ( P ) = a + b + c
Perimeter of regular hexagon = 6 X side = 6s
Perimeter of regular pentagon = 5 X side = 5s
Perimeter of regular octagon = 8 X side = 8s
Perimeter of regular decagon = 10 X side = 10s

Breadth = area / length
Length = area/ breadth

Area of square =  S X S
Area of rectangle = L X B

Commutative property of addition  :   (s + p) = (p + s)

Commutative property of multiplication :  sp = ps

Assotiative property of addition : a+(b+c) = c +(b+a ) = b+(a+c)

Distributive property of multiplication over addition  :  a x(v+c)=a x v +a x c

Distributive property of multiplication over subtraction :         a x (v-c) = (a x b)-(a x c)

EX - 11 . 2
1 } P = 3 X L
2} P = 6 X L
3} Total Length  = 12 X L
4} D = 2 X r

# data[].attributes.body
Perimeter of square (P)
= 4xS
Perimeter of rectangle
= 2 x (l+b)
Perimeter of scalene triangle
= Sum of all sides ( a+b+c)
B = A/L
L=A/B
Area of square
=S x S
Area of rectangle
= Lx B
Perimeter of regular hexagon
= 6x S
Perimeter of regular pentagon
= 5xS
Commutative property of addition
= (a+b) = (b+a)
Commutative property of multiplication
= (ab) = (ba)
Associative property of addition
= (b+q)+r = (q+r)+b
Distributive property of multiplication over addition
= ax (b+c) = ab + ac
Distributive property of multiplication over subtraction
= ax (b-c) = ab - ac

1. P = LX3
2. P= LX6
3. P = Lx12
4. D = 2xr
5.

# data[].attributes.body
Perimeter of Square (P)=4XS
Perimeter of Rectangle =2(L+b)
Perimeter Of  scalene traingle =A+B+C
B=A/L
Area Of Square =Side xSide
Area of Rectangle =Lx B
Perimeter of Regular Hexagon =6xS
Perimeter of Regular Pentagon=5xS
Perimeter of Regular decagon =10xS
Commtative Property of Addition= (a+b)=(b+a)
Commutative Property of Multiplication=(a*b) =(b*a)
Associatative property of Addition
= a+(b+c)
=(a+c)+b
=(a+b)+c
distributed Property of multriplycation over addition=ax(b+c)=axb+axc
ax(b-c) =ab-ac
Ex 11.2
1 P=31
2 P=61
3 Total Length =12xL
4.d =2 x r
r=d/2

# data[].attributes.body
Perimeter of square (P)=4XS
Perimeter of rectangle = 2(l+b)
Perimeter of  scalene triangle = a+b+c
B=A/L
B =P/2 - L

Area of square = SXS
Area of rectangle = LXB

Commutative property of addition
{a+o}={o+a}

Associative property of addition -
p+(q+r)= (p+q)+r)=(p+r)+q

Distributive property of multiplication over addition
ax(b+c)=axb+axc

EXERCISE 11.2
1) P=3XL
2) P= LX6
3) P = Lx12
4) d=2xr
r=d/2

# data[].attributes.body
Perimeter of square (P) = 4xS
Perimeter of rectangle = 2(l+b)
Perimeter of scalene triangle =
a+b+c
B =A\L
B=P\2-L
Area of square = sxs
Area of rectangle = lxb
Perimeter of regular hexagon=
6xs
Commutative property of addition :
( a + b ) = ( b + a )
Commutative property of multiplication :
( a X b ) = ( b x a )
Associative property of addition :
p+(q+r)=(p+q)+r)=(p+r)+q)
Distributive property of
multiplication over addition
ax(b+c)=axb + axc

# data[].attributes.body
Perimeter of square (P) = 4XS
Perimeter of rectangle = 2(l+b)
Perimeter of scalene triangle = a+b+c
B=A/L , L = A/B
B =P/2 - L
Area of square = sxs
Area of rectangle = lxb
Perimeter of regular hexagon = 6 x s
Commutative property of addition: (a+b)=(b+a)
Associative property of addition : p+(q+r)= (p+q)+r)=(p+r)+q
Distributive property of multiplication over addition
ax(b+c)=(axb)+(axc)
ax(b-c) = (axb)-(axc)
Ex.11.2
1. P=3xL

# data[].attributes.body
Perimeter of square (P) = 4XS
Perimeter of rectangle = 2(l+b)
Perimeter of scalene triangle = a+b+c
B=A/L
B=P/2-L
Area of square=sxs
Area of rectangle=l X b
Perimeter of regular hexagon = 6 x s
Commutative property of addition ..(a+b)=(b+a)
Commutative property of multiplication .. ( b x d)=( d x b)
Associative property of addition : - p+(q+r)= (p+q)+r=(p+r)+q
Distributive property of multiplication over addition .. ax(b+c)=ab+ac
ax(b-c)=(axb)-(axc)

# data[].attributes.body
perimeter of square (P) = 4xs
perimeter of rectangle = 2 ( L+B )
perimeter of scaline triangle = a+b+c
B=A/L
B=P/2-L
Area of square = SXS
Area of rectangle = LXB
perimeter of regular hexagoan = 6xs
perimeter of regular patagoan = 5xs

Commutative property of addition :
(d+c)=(c+d)
Commutative property of multiplication
(axb) = (bxa

Associative property of addition
= b+q+r = (b+r)q) = (b+r)+q

Distributive property of multiplication over addition
ax(b+c)= (axb) + (axc)

Ex 11.2
1. p = 3xL
2.p = 6xL
3.Total length = 12xL
4.D = 2xr
5.(a+b)+c = a+(b+c)

# data[].attributes.body
Perimeter of square P=4xs= 4s

Perimeter of rectangle=2xl+b

Perimeter of scalene triangle=a+b+c

Area of square=sxs

Area of rectangle= lxb

# data[].attributes.body
Perimeter of square (P)= 4xS
Perimeter of rectangle= 2(l+b)
Perimeter of scalene triangle= a+b+c
B=A/L
B=P/2-L
Area of square= SxS
Area of rectangle= LxB
Perimeter of regular pentagon= 5xS
Perimeter of regular hexagon= 6xS

Commutative Property of Addition : (s+b)=(b+s)
Commutative Property of Multiplication : (sb)=(bs)
Associative Property of Addition : p+(q+r) = (p+q)+r = (p+r)+q
Distributive Property of Multiplication over Addition : ax(b+c) = ab+ac
Distributive Property of Multiplication over Subtraction : ax(b-c) = ab-ac

# data[].attributes.body
PERIMETER OF A SQUARE = 4 x S
PERIMETER OF A RECTANGLE = 2 x (L+B)
PERIMETER OF A SCALENE TRIANGLE = SUM OF ALL SIDES
PERIMETER OF A REGULAR DECAGON = 10 x S

BREADTH = AREA/LENGTH
LENGTH = AREA/BREADTH
AREA OF A SQUARE = S x S
AREA OF A RECTANGLE = L x B

COMMUTATIVE PROPERTY OF ADDITION = (A+B) = (B+A)
ASSOCIATIVE PROPERTY OF ADDITION = P+(Q+R)  = (P+Q)+R) = (P+R)+Q
DISTRIBUTIVE PROPERTY OF MULTIPLICATION OVER ADDITION = A x (B+C) = AxB + AxC
Ax(B-C) = AxB - AxB

EX 11.2
1) P = 3 x L = 3L
2) P = 6 x L = 6L
3) TOTAL LENGTH = 12 x L
4) D = 2 x R
R = D/2

# data[].attributes.body
Perimeter of square(P) = 4xS
Perimeter of rectangle = 2(l+b)
Perimeter of scalene triangle = a+b+c
Breadth = Area/Length , Length = Area/Breadth
Area of square = s x s
Area of rectangle = l x b
Perimeter of regular hexagon = 6 x s

# data[].attributes.body
Perimeter of square (P) = 4XS
Perimeter of rectangle = 2(l+b)
Perimeter of scalene triangle = a+b+c
B=A/L , L = A/B
B =P/2 - L
Area of square = sxs
Area of rectangle = lxb
Perimeter of regular hexagon = 6 x s
Commutative property of addition: (a+b)=(b+a)
Associative property of addition : p+(q+r)= (p+q)+r)=(p+r)+q
Distributive property of multiplication over addition
ax(b+c)=(axb)+(axc)
ax(b-c) = (axb)-(axc)
Ex.11.2
1. P=3xL
2. P =6xL
3. Total length = 12 x L
4. d=2xr
r=d/2

# data[].attributes.body
Perimeter of square (P) = 4S
Perimeter of rectangle = 2(l+b)
Perimeter of scalene triangle = a + b + c
Perimeter of equilateral triangle = 3S
Perimeter of regular hexagon = 6S
Perimeter of regular pentagon = 5S
Perimeter of regular decagon = 10S
B=A/L
A=lb
Area of square = SXS
Area of rectangle = LXB

Comutative property
(a + b) = (b+a)
cd = dc

Associative Property
p + (q + r) = (p + q) + r

Distributive Property of multiplication over addition
a(b+c) = (ab) + (ac)
d(e-f) = (de) - (df)

Ex 11.2
1. P=3l
2. P = 6l
3= Total length = 12l
4. d = 2r
5. (a+b)+c = a+(b+c)

# data[].attributes.body
Perimeter of square
(P)= 4×S
Perimeter of rectangle
(P) = 2×( l+b )
Perimeter of scalene triangle
(P) = a+b+c
B= A/ L, L = A/B
B= P/2 - L
Area of square
(A) = s×s
Area of rectangle
(A) = l×b
Perimeterfof regular hexagon
( P) = 6× s
Perimeter  of regular pentagon
( P) = 5×s
Commutative property of addition ;
(a+b) = (b+a)
Associative property of addition :
(p+q)+r) = p+ ( q+r) = ( p+r)+q
Disturbutive property of multiplication over addition
a×( b+c ) = ( a×b) + ( a×c)
a× ( b-c ) = ( a×b ) - ( a×c )

Exersice 11.2
1. Ans - P = 3×l
2. Ans- P=6×l
3. Ans - Total length = 12×l
4.Ans - d=2×r
r= d/2
5. Ans -  ( a+b)+c = a+( b+c)