In order to apply the law of cosines to find the measure of an interior angle, it is enough to know which of the following?

A. The area of the triangle

B. The length of all three sides of a triangle

C. At least two of the angles of a triangle and the length of one of its sides

Please explain. Thank you!

Question

In order to apply the law of cosines to find the measure of an interior angle, it is enough to know which of the following?

A. The area of the triangle

B. The length of all three sides of a triangle 

C. At least two of the angles of a triangle and the length of one of its sides

Please explain. Thank you!

kj4uts · Answer

attachment

anonymous · Answer

the area is a silly answer ignore that one

anonymous · Answer

you can use the law of cosines if you know 3 sides

kj4uts · Answer

I was thinking B. The length of all three sides of a triangle

anonymous · Answer

yes