3 years ago

What is the measure of angle d? A. d=59 B. d=114 C. d=55 D. d=66

Mathematics

2 answers:

gayaneshka [121]3 years ago

6 0

Answer:

A. d = 59°

Step-by-step explanation:

We know that the 3 angles added up together are a straight line or 180°. Therefore,

m∠d° = 180 - (57 + 64)

loris [4]3 years ago

3 0

Answer: D. 59

Step-by-step explanation:

57 + 64 + d = 180°

121 + d = 180°

180 - 121 = 59°

Hope this helps!

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