Given: line bd is tangent to circle c.
find m∠ceb.
a) 45°
b) 90°
c) 100°
d) 110°

m∠CEB=90°

B is correct.

Step-by-step explanation:

Given: A line BD is tangent to circle C.

To prove: m∠CEB= ?

Proof:

CE is radius of circle because C is centre.

BD is tangent to circle.

Point E lie on tangent at touches the circle.

CE perpendicular to tangent.

Because radius of circle is perpendicular to tangent.

Therefore, CE⊥BD

If two line is perpendicular then they make 90° angle between them.

Hence, m∠CEB=90°

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step-by-step explanation: