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Please answer this question 4 marks maths surface area and volumes

Answer»

Here is your solution

GIVEN:-
Length = 22M
Breadth = 20m

Radius of conical vessel = 2/2 =1m

Height of conical vessel =3.5m

Now

Volume of rainwater=volume of conical vessel 
= pi ×r ^2 × h
=3.14 × 1×1×3.5
=11m^3

Volume of rainwater=22×20×d
11m=440×d
d=11/440
d=0.025
d= 0.25cm

Hence

RAINFALL in cm is 0. 25cm

Hope it HELPS you



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