Question

Practice set 3.1
In the adjoining figure the radius of a circle with centre C is 6 cne, line AB is a
tangent at A. Answer the following questions.
(1) What is the measure of CAB? Why?​

Answer 1

Answer:

90°

Step-by-step explanation:

we know that radius is perpendicular to tagent

so Ab tagent at A touches the circle and of we draw the radius from C touching A,line AC is perpendicular to AB.

Therefore, angle CAB=90°

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