chowderpowder
Answered

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find the measure of a

Find The Measure Of A class=

Sagot :

Answer:

C. 70°

Step-by-step explanation:

but c = 180° - (2×20°) = 140°

b = 180° - c

b = 180° - 140° = 40°

[tex]{ \sf{a = \frac{1}{2}c }} \\ { \sf{a = ( \frac{1}{2} \times 140 \degree)}} \\ { \sf{a = 70 \degree}}[/tex]

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