Question

In a right ange triangle, line PQ=10 cm and line QR=24 cm. Find PR.
Hint: See the figure.

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Answer 1

Answer:

Given: PQ=10cm, PR=24cm

Let QR be x cm.

In right angled triangle QPR,

(Hypotenuse)

2

=(Base)

2

+(Perpendicular)

2

[By Pythagoras theorem]

⇒(QR)

2

=(PQ)

2

+(PR)

2

⇒x

2

=(10)

2

+(24)

2

⇒x

2

=100+576=676

⇒x=

676

=26cm

Thus, the length of QR is 26cm.

Answer 2

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