- is a flat surface that extends in all directions. Objective - To identify angles as vertical, adjacent, complementary and supplementary. Plane.

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Presentation transcript:

- is a flat surface that extends in all directions. Objective - To identify angles as vertical, adjacent, complementary and supplementary. Plane

Parallel Lines A B C D - Lines in the same plane that do not intersect. Intersecting Lines A B C D

Vertical Angles- Formed by intersecting lines. Opposite angles (vertical angles) are always congruent. Adjacent Angles-Angels that share a common vertex and side.

Complementary Angles a b - Angles whose sum is 90. x y Complementary angles may not be adjacent.

Find the measure of the missing angle. x

Find the complement of the angle measures below. 1) 20 2) 59 3) 50 4) 62 5) 15 6) 57 7) 43 8) Has no complement

Supplementary Angles k t - Angles whose sum is 180. bc Supplementary angles may not be adjacent.

Find the measure of the missing angle. x y

Find the supplement of the following... 1) 18 2) 104 3) 31 4) 75 5) 148 6) 62 7) 159 8)

Find the missing angles. 1)2) x y z A D C E B