SSC (Marathi Semi-English) 10thMaharashtra State Board
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In the figure given below, Ray PT is bisector of ∠QPR. If PQ = 5.6 cm, QT = 4 cm and TR = 5 cm, find the value of x . - SSC (Marathi Semi-English) 10th - Geometry

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Question

In the figure given below, Ray PT is bisector of ∠QPR. If PQ = 5.6 cm, QT = 4 cm and TR = 5 cm, find the value of x .

Solution

Given: ray PT is bisector of ∠QPR.

PQ = 5.6 cm, QT = 4 cm and TR = 5 cm.

In a triangle, the angle bisector divides the side opposite to the angle in the ratio of the remaining sides.

`"QT"/"TR"="PQ"/"PR"`

`4/5=5.6/x`

`x=(5.6xx5)/4`

`x=28/4=7`

`PR=7cm`

 

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APPEARS IN

 2013-2014 (March) (with solutions)
Question 2.1 | 2.00 marks
Solution In the figure given below, Ray PT is bisector of ∠QPR. If PQ = 5.6 cm, QT = 4 cm and TR = 5 cm, find the value of x . Concept: Similarity of Triangles.
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