Question

Can you please help me

Answer 1

The arc BAC is 8x + 48.

On the other hand, the angle m CBD, formed by the tangent line BD and the secant BC, is one-half the measure of that arc:

m CBD = (arc BAC)/2

5x = (8x + 48)/2

10x = 8x + 48

2x = 48

x = 24