# Solution - Circles Examples and Solutions

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ConceptCircles Examples and Solutions

#### Question

In fig. XP and XQ are tangents from X to the circle with centre O. R is a point on the circle. Prove that, XA + AR = XB + BR.

#### Solution

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In the given figure, the incircle of ∆ABC touches the sides BC, CA and AB at D, E, F respectively. Prove that AF + BD + CE = AE + CD + BF = \frac { 1 }{ 2 } ("perimeter of ∆ABC")

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#### Reference Material

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