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Let m angle A = 40°. If angle B is a complement of angle A, and angle C is a supplement of angle B, what is m angle B+m angle C? A 60° B. 150° C. 180° D. 210° ​
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Let m angle A = 40°. If angle B is a complement of angle A, and angle C is a supplement of angle B, what is m angle B+m angle C? A 60° B. 150° C. 180° D. 210°

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User Andrey Novikov
by
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2 Answers

5 votes

Answer:

d. 210

Explanation:

User Lee Higgins
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4.9k points
5 votes
Answer is C)180. Complementary angles are equal so B and A are equal so B=40. Supplanentry angles add up to 180. So B+C=180.
User Ronny Efronny
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5.0k points
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