4.19cm2
8.38cm2
10.5cm2
20.9cm2
Correct answer is A
Given q2 = 25 - r2.....(1)
from pythagora's theorem
P2 = q2 + r2.......(2)
put (1) into (2)
p2 = 25 - p2 + x2
p2 = 25
p = √25
= 5
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