Get the answers you need at Westonci.ca, where our expert community is dedicated to providing you with accurate information. Our platform offers a seamless experience for finding reliable answers from a network of knowledgeable professionals. Join our Q&A platform to connect with experts dedicated to providing accurate answers to your questions in various fields.

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]