Answer:
6^2 + 8^2 = c^2
36+ 64 = c^2
100 = c^2 | sqrt
10 = C
Let's Find Angles :
sin BCA = 6/10 = 0.6 => 37 degree
90 degree + 37 degree = 127 degree
Angle BAC = 180 degree - 127 degree = 53 degree
The side AC is 10
See the image attached
