Given $a = 6 , b = 9$, and $c = 7$, use the Law of Cosines to solve the triangle for the value of $A$. Round answer to two decimal places.

A) $60.33 ^ { \circ }$
B) $50.98 ^ { \circ }$
C) $80.44 ^ { \circ }$
D) $87.27 ^ { \circ }$
E) $41.75 ^ { \circ }$

Question

Given $a = 6 , b = 9$, and $c = 7$, use the Law of Cosines to solve the triangle for the value of $A$. Round answer to two decimal places.

A) $60.33 ^ { \circ }$ 
B) $50.98 ^ { \circ }$ 
C) $80.44 ^ { \circ }$ 
D) $87.27 ^ { \circ }$ 
E) $41.75 ^ { \circ }$

Quizplus · Accepted Answer

The Answer of Given $a = 6 , b = 9$, and $c = 7$, use the Law of Cosines to solve the triangle for the value of $A$. Round answer to two decimal places.

A) $60.33 ^ { \circ }$ 
B) $50.98 ^ { \circ }$ 
C) $80.44 ^ { \circ }$ 
D) $87.27 ^ { \circ }$ 
E) $41.75 ^ { \circ }$

Given a=6,b=9a = 6 , b = 9a=6,b=9 , And c=7c = 7c=7

Given $a = 6 , b = 9$ , And $c = 7$