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german
4 years ago
14

1. Solve the triangle. AABC, given ZB = 57°, ZC = 720, and b = 18 m.

Mathematics
1 answer:
AfilCa [17]4 years ago
6 0

Answer:

Angle A= 61°

Step-by-step explanation:

angle A+ Angle B+Angle C= 180°( Angle sum property)

∠A+57+72= 180°

∠A= 180°- 127°= 61°

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