Answer:
27
Explanation:
36=(P)
45=(H)
x=(B)=?
so,
B=
√ (45)^2-(36)^2
√ 2025-1296
√ 729
√ (27)^2
x=27
Formula of Pythagoras theorum
h²=p²+b²
h=45 , p=36 b=x
h²= p²+b²
or,45²=36²+x²
or, 2025-1296 =x²
or,729=x²
or,x=√729
or x= 27
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