Question

Find the value of a. A. 80B. 40C. 57D. 60

Answer 1

Given

To find:

The value of a.

Step-by-step explanation:

It is given that,

That implies,

Since

Alternate segment Theorem states that,

The angle between a tangent and a chord is equal to the angle in the alternate segment.

Then,

`\alpha=\theta`

Therefore,

`a=40\degree`

Hence, the value of a is 40°.