Question

Please help me!!!!!!!!!

Answer 1

C is the Answer to Your question

Answer 2

57 degree

Explanation:

Using cos formula again~

So AB^2=BC^2+AC^2-2*BC*AC*cosC

AB= 25.15cm

BC^2=AB^2+AC^2-2ABACcosA

Cos A=0.55

A=56.58degree