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Hitman42 [59]
4 years ago
12

Given the following triangle, if b = 9 and B = 15°, find a.

Mathematics
1 answer:
NeX [460]4 years ago
6 0
The picture in the attached figure

we know that
Applying the law of sines
b/sin B=a/sin A------> a=b*sin A/sin B
b=9
B=15°
A=180-(90+15)-----> A=75°
a=?
a=b*sin A/sin B-----> a=9*sin 75/sin 15----> a=33.59 units

the answer is
33.59 units


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