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10-02-2016
Mathematics

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If m∠ABC = 72°, what is m∠DAB?
A) 72°
B) 108°
C) 144°
D) 216°

If mABC 72 what is mDAB A 72 B 108 C 144 D 216 class=

Respuesta :

10-02-2016

m∠DAB + m∠ABC = 180°

m∠DAB + 72° = 180°

Subtract 72° on both sides.

m∠DAB = 180° - 72°

m∠DAB = 108°

Your final answer is B. 108°

Answer Link

10-02-2016

m<DAB + 72 = 180

m<DAB = 108

The answer is B) 108

Answer Link

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