Question

3. Triangle PQR is right-angled at vertex R. Calculate the length of PR, if :
PO = 34 cm and QR = 33.6 cm.
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Answer 1

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Answer 2

Answer:

According to Pythagoras theorem,

$(pq)^{2} = {pr}^{2} + {qr}^{2}$

34^2=(pr)^2+33.6^2

1156=(pr)^2+1128.96(approx.1129)

1156-1129=(pr)^2

27=(pr)^2

√27=pr

pr=5.19(approx.5.2)cm

Hope it helps!!