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Half + Half = Whole

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Example #2

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Small + Small = Whole

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Examples #2

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solving vertical angles with Mr. Ardines

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C comes before S
90 comes before 180

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Right angle = Complementary (90)

Linear pair = Supplementary (180)

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Example #2

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Example #2

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An A+ worthy grade tutorial for solving Addition Postulate

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Acute: An angle whose measure is less than 90 degrees.
Obtuse: An angle whose measure is more than 90 degrees, but less than 180 degrees.
Right: An angle whose measure is exactly 90 degrees.
Straight: An angle whose measure is exactly 180 degrees.

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There are 4 different ways to name an angle.

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There are 4 different ways to name an angle.

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Example #2

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Identical in form

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A line or ray that splits an angle into two congruent parts.

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Vertical angles are congruent

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Pairs of opposite angles formed by intersecting lines.

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Adjacent angles formed by two intersecting lines. Linear pairs must add up to 180 degrees.

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Two angles whose sum is 180 degrees

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Two angles whose sum is 90 degrees.

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If B is i the interior of <AOC then m<AOB + m<COB equals m<AOC

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Example #1

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Two angles that share a common vertex and side.

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76 Equals y

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X equals 40

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14 equals N

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Find n

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Find X

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Find y

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Example #1

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Example #1

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Example #1

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The rays of an angle.

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The common endpoint of an angle.

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A figure formed by two rays sharing a common endpoint.

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Angle CBD equals 45

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Example #1

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Solve for angle CBD

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Obtuse Angle

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What angle is this?

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You will apply your knowledge to solve for vertical angles

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2-3              Complementary and Supplementary Angles 

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2-3              Complementary and Supplementary Angles 

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You will find the complement or supplement of each angle.

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2-2                   Angle Addition Postulate 

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2-2                   Angle Addition Postulate 

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In this lesson, you will be required to know how to solve for the given angles.

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You will be solving for angles with a bisector.

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Learn the difference between angles, vertexes, and side.

*Classify 4 different angles*

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Intro to Angles