cherrypie20 cherrypie20

21-04-2021
Mathematics

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Given the triangle below, what is m B
15
340
С
A
18
Triangle not drawn to scale

Given the triangle below what is m B 15 340 С A 18 Triangle not drawn to scale class=

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sqdancefan sqdancefan

21-04-2021

9514 1404 393

Answer:

C. 42.1°

Step-by-step explanation:

The Law of Sines is applicable.

sin(B)/b = sin(C)/c

sin(B) = 18/15×sin(34°)

B = arcsin(6/5×sin(34°)) ≈ 42.1° . . . measure of ∠B

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