lexied2303
lexied2303 lexied2303
  • 10-02-2016
  • Mathematics
contestada

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=

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Leader
Leader Leader
  • 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
TSO
TSO TSO
  • 10-02-2016
m<DAB + 72 = 180

m<DAB = 108

The answer is B) 108
Answer Link

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