## Presentation on theme: "Any two angles whose sum is 180 degrees. Supplementary Angles."— Presentation transcript:

1

2 any kind of two angles whose amount is 180 degrees. Supplementary angle

3 70+x=180 x=110 Example:

4 complementary Angles any kind of two angle whose amount is 90 degrees.

5 Example: x+(x+30)=90 2x+30=90 2x=60 x=30

6 2 angles across from each other on intersecting lines. Lock are constantly congruent! Vertical angles

7 Examples: b= ____ degrees

8 nearby Angles two angles that are alongside each other and also share a typical side.

9 Example: usual side

10 straight Pair 2 angles that are surrounding and supplementary. They form a directly line!

11 Example: 9x+3x=180 12x=180 X=15

12

13 evaluation 1)What is the value of x? A.84 levels B.24 levels C.21 levels D.62 levels

14 testimonial 1)What is the worth of x? A.66 degrees B.132 levels C.21 levels D.52 levels

15 evaluation 1)What is the value of x? A.66 levels B.55 levels C.21 levels D.12 degrees

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