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Analyze the diagram below and answer the question that follows.

In the triangle above, what is the measure of ∠A?

A. m∠A = 30°
B. m∠A = 45°
C. m∠A = 60°
D. cannot be determined

Analyze the diagram below and answer the question that follows In the triangle above what is the measure of A A mA 30 B mA 45 C mA 60 D cannot be determined class=

Respuesta :

col7kings

Answer:

B

Step-by-step explanation:

sames sides same angle

180=90+2x

180-90=2x

90=2x

x=45

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