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Videos: Finding unknown angles using complementary & supplementary angels.

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Videos: Finding unknown angles using complementary & supplementary angels.

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https://learnzillion.com/lessons/822-use-supplementary-angles-to-find-an-unknown-angle

https://learnzillion.com/lessons/823-use-complementary-angles-to-find-an-unknown-angle

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http://media.pearsoncmg.com/curriculum/math/cmp3/activities/A82395/

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1) Calculate the interior sum of angles

for any regular polygon using one of the two formulas

2) Figure out exterior angles of polygons

3) Estimate angle measurements

4) Know that a triangles interior sum is 180 degrees

5) Know the triangle inequality theorem

6) Be able to find missing angles when a transversal

crosses two parallel lines

7) Know complementary angles and supplementary angles

8) Draw a parallelogram and a triangle given side lengths

and angle measurements

9) Use an angle ruler

10) List the three congruent postulates

11) Reflectional and Rotational symmetry

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http://media.pearsoncmg.com/curriculum/math/cmp3/activities/A82391/

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Do you want to know the names of polygons?
The link below gives the names of many polygons beyond
the decagon.

http://www.mathsisfun.com/geometry/polygons.html

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Problem 2.3 Tessellations: Use the link below for Shape Set. 

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Problem 2.3 Tessellations: Use the link below for Shape Set. 

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http://media.pearsoncmg.com/curriculum/math/cmp3/activities/A82396/

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Read to find important concepts in this unit