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1. In ∆ABC, m B = 82º, mzC = 36° and a = 15 meters. Find the length b to
the nearest tenth of a meter.
a 19.4
b. 17.9
C. 16.8
d. 15.8​

Sagot :

130265GREGORIOIN

Answer:

Letter C. po

Step-by-step explanation:

Since 15 meters is opposite ∠A,

we need to find the m∠A.

m∠A=62°

sin62° = sin82°

15 b

b sin 62°= 15 sin 82°

B= 15sin82°

sin62° =16.8 meters

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