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Find m<ABC a: 24° b:56° c:80° d:90°​
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Find m<ABC a: 24° b:56° c:80° d:90°​

Find m<ABC a: 24° b:56° c:80° d:90°​-example-1
User JoshuaJeanThree
by
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1 Answer

5 votes

Answer:

C: 80

Explanation:

(3x+8) and (5x-40) are vertical angles, meaning they are equal.

3x + 8 = 5x - 40

3x +48 = 5x

48 = 2x

24 = x

m< ABC= 3(24) + 8 = 80

User Minhye
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