In the figure PQ =24, OR =26, angle PAR =90॰, PA =6, AR = 8 . Find angle QPR.
FIGURE IS NOT GIVEN
PLEASE DRAW THE DIAGRAM YOURSELF
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PYTHAGORAS THEOREM: In a right angle triangle the square of the hypotenuse is equal to the sum of the square of the other two sides.
CONVERSE OF PYTHAGORAS THEOREM: In a triangle if square of one side is equal to the sum of the squares of the other two sides then the angle opposite to first side is a right angle.
SOLUTION:
Given :
PQ = 24cm ,QR = 26cm, ∠ PAR = 90°, PA = 6cm and AR = 8cm
In ∆ PAR,
PR² = AR² + AP²
[By Pythagoras theorem]
PR² = 8² + 6²
PR² = 64 +36
PR² = 100
PR = √100
PR = 10 cm
In ∆ QPR
QR² = QP² + PR²
26² = 24² + 10²
26² = 576 + 100
26² = 676
676 = 676
∠QPR = 90°
[By Converse of Pythagoras theorem]
Hence the value of ∠QPR = 90°.
HOPE THIS WILL HELP YOU....
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Answer:
I think the answer is 90 °
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