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CNA SOMEONE HELP ME

measure of
angle C = 48 degrees, a = 5, b = 9. What is the length
of c to the nearest tenth?

CNA SOMEONE HELP ME measure of angle C = 48 degrees, a = 5, b = 9. What is the length-example-1
User Steffany
by
7.9k points

1 Answer

4 votes

Answer: 6.8

Explanation:

By the Law of Cosines,


c^2 = 5^2 + 9^2 - 2(5)(9)\cos 48^(\circ)\\\\c=\sqrt{5^2 + 9^2 - 2(5)(9)\cos 48^(\circ)}\\\\c \approx 6.8

User Frank Van Eykelen
by
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