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PLEASEEE I need the answer asap
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PLEASEEE I need the answer asap

PLEASEEE I need the answer asap-example-1
User NJE
by
3.6k points

1 Answer

1 vote

Answer:

Angle B = 47.3°

Explanation:

We are to find Angle B

b = 6.8cm

C = 70°

c = 8.7cm

We solve using Sine rule

b/sin B = c/ sin C

6.8/sin B = 8.7/sin 70

Cross Multiply

sin B × 8.7 = 6.8 × sin 70

sin B = 6.8 × sin 70/8.7

B = arc sin ( 6.8 × sin 70/8.7)

B = 47.26265°

Approximately to 3 significant figures

= B = 47.3°

User Kokovin Vladislav
by
3.1k points
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