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Question

In given figure, find the values of x and y, if QS=RQ.
296481_397d95a561f74c4d98b348e7209bfc8e.png

A
x=36, y=32
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B
x=45, y=32
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C
x=32, y=45
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D
x=45, y=26
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Solution

The correct option is D x=45, y=26
Given,
XPS = 148.
Since XPQ is a straight line,
XPS + QPS = 180 ....(LInear pairs)
QPS = 180148 = 32.

In SPQ
S+P+Q=180 ......(Angle sum property)
103+32+x=180
x=45.

Given,
PSQ = 103.
Since PSR is a straight line,
PSQ + QSR = 180
QSR = 180103 = 77.

In SQR,
given QS=RQ.
SQR is isosceles.
By Isosceles Triangle property, the angles opposite to equal sides are also equal.
SRQ=QSR= 77
S+Q+R=180
77+y+77=180
154+yo=180
yo=180154o
y=26.

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