Given $a = 12 , b = 5$, and $c = 15$, use the Law of Cosines to solve the triangle for the value of $C$. Round answer to two decimal places.

A) $60.34 ^ { \circ }$
B) $117.82 ^ { \circ }$
C) $80.45 ^ { \circ }$
D) $17.15 ^ { \circ }$
E) $45.04 ^ { \circ }$

Question

Given $a = 12 , b = 5$, and $c = 15$, use the Law of Cosines to solve the triangle for the value of $C$. Round answer to two decimal places.

A) $60.34 ^ { \circ }$ 
B) $117.82 ^ { \circ }$ 
C) $80.45 ^ { \circ }$ 
D) $17.15 ^ { \circ }$ 
E) $45.04 ^ { \circ }$

Quizplus · Accepted Answer

The Answer of Given $a = 12 , b = 5$, and $c = 15$, use the Law of Cosines to solve the triangle for the value of $C$. Round answer to two decimal places.

A) $60.34 ^ { \circ }$ 
B) $117.82 ^ { \circ }$ 
C) $80.45 ^ { \circ }$ 
D) $17.15 ^ { \circ }$ 
E) $45.04 ^ { \circ }$

Given a=12,b=5a = 12 , b = 5a=12,b=5 , And c=15c = 15c=15

Given $a = 12 , b = 5$ , And $c = 15$