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3 years ago

7

In the triangle below, b = _____. If necessary, round your answer to two decimal places.

1 answer:

lara [203]3 years ago

7 0

Angle B=180-(38+31.6)=110.4
by law of sin
sin B/b=sinA/A
sin(110.4)/b=sin38/25
b=25*sin(110.4)/sin(38)=38.06

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