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Harlamova29_29 [7]
3 years ago
5

Given that b=8,a=3,and b=65,find the measure of A. 19.9 or 160.1 B.19.9 C160.1 D not a triangle

Mathematics
1 answer:
xz_007 [3.2K]3 years ago
4 0

Answer: B. 19.9

Step-by-step explanation: Set up an equation where sin and the degree angle is in the numerator, and the side length is in the denominator.

Sin65/8 = Sinx/3

Plug Sin65 into your calculator and you will get 0.9063. Divide this number by 8.

0.9063/8 = 0.1133

Your equation is now 0.1133 = sinx/3

Multiply by 3 on each side.

0.3399 = sinx

Put sin on the left side. It will look like:

Sin^-1(0.3399) = x

Press enter on your calculator. You will get

X = 19.9.

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