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Question

In a right isosceles triangle PQR right angled at Q, what are the angles of P and R?

A
45,45
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B
45,55
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C
30,60
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D
35,55
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Solution

The correct option is A 45,45
Given,
PQR is a right isosceles triangle
Q=90
P=R
Now,
According to Angle Sum property
P+Q+R=180 [P=R]
P+Q+P=180
2P+90=180
2P=90
P=45
Since,
P=R
R=45
The two other angles in the right isosceles triangle PQR are 45,45.

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