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user100 [1]
4 years ago
9

The measure of ∠d is 150°. What is the value of m∠b + m∠c +m∠e

Mathematics
2 answers:
grandymaker [24]4 years ago
7 0

Answer:

3: 120 degrees

Step-by-step explanation:

Zolol [24]4 years ago
5 0

Answer:

C. 120°

Step-by-step explanation:

m∠d = 150°

m∠ a = 90°

The sum of angles at a point add up to 360°

m∠b + m∠c +m∠e = 360° - (90° + 150°) = 120°

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