Question

In a rectangle ABCD, ‘P’ is a point inside the

ATQ, We know that in rectangle, PA2 PC2 PD2 PB2 So, 82 62 PD2 52 Or, 64 36 PD2 25 Or, 100 PD2 25 Or, PD2 75 Or, PD 53 cm

rectangle. If PA = 8 cm, PC = 6 cm and PB = 5 cm, then find PD.

A ± 3√5 cm

B ± 5√5 cm

C ± 5√3 cm

D ± 7√3 cm

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Solution