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Find the missing side or angle. Round to the nearest tenth. A=18° B= 28° b=100 a=[ ? ]
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18 votes
Find the missing side or angle.

Round to the nearest tenth.
A=18°
B= 28°
b=100
a=[ ? ]

Find the missing side or angle. Round to the nearest tenth. A=18° B= 28° b=100 a=[ ? ]-example-1
User Peter Goldstein
by
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2 Answers

3 votes
It’s A 65.8 you are welcome
User CalumMcCall
by
8.9k points
9 votes

Answer: a = [ 65.8]

Explanation:

A = 18°

B = 28°

b = 100

a = [ x ]


(100)/(sin \: 28^(o) ) =(x)/(sin \: 18^(o) ) \\\\(100)/(0.4694715628) =(x)/(0.3090169944) \\\\x=(0.3090169944 \cdot 100)/(0.469715628) \\\\x=65.78810\dots \\x \approx 65.8

User Martin Eve
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