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Viktor [21]
3 years ago
7

A large basin has the shape of a hemisphere with a radius of 25 inches. Calculate the area of rhe circle of water if the basin i

s filled to a depth of 10 inches​
Mathematics
1 answer:
ANTONII [103]3 years ago
7 0

Answer:

100pi in^2, or 314.16 in^2 to nearest hundredth.

Step-by-step explanation:

The areas of the surface of water for  full basin and area for the surface when the depth is 10 inches are in the ratio 25^2 : 10^2 = 6.25 : 1. (because the depth of the water = radius of the water when the basin is full).

The area for a full basin =  pi r^2 = 625pi in^2.

So the area  when depth is 10 inches =  625pi / 6.25 = 100pi in^2.

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