Question

In a right triangle PQR, if PQ = 6cm, QR = 6√3cm and Q= 90, find the length of PR.

Answer 1

Answer:

Correct Answer is Here .

Answer 2

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(i) Given:

PQ = 8 cm

QR = 6 cm

PR = ?

∠PQR = 90°

According to Pythagoras Theorem,

$PQ^2+QR^2 \: PR2 \: =PQ2 \: + \: QR2$

$8^2+6^2 \: PR2 \: =82 \: + \: 62$

$4+36 \: PR2 \: =64+36$

$PR2=100$

$∴PR \: =root100 \: = \: 10 cm$