# Solution - Circles Examples and Solutions

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ConceptCircles Examples and Solutions

#### Question

In Fig. 1, PA and PB are tangents to the circle with centre O such that ∠APB = 50°. Write the measure of ∠OAB.

#### Solution

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A chord of a circle of radius 10 em subtends a right angle at its centre. The length of the chord (in em) is

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#### Reference Material

Solution for concept: Circles Examples and Solutions. For the course 8th-10th CBSE
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