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A lotus is 2m above the water in a pond.

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asked Mar 13, 2018 in Mathematics by paayal (26,720 points) ● 4 ● 6 ● 11
A lotus is 2m above the water in a pond. Due to wind the lotus slides on the side and only the stem completely submerges in the water at a distance of 10m from the original position. Find the depth of water in the pond.

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answered Mar 13, 2018 by sanjaydas (61,430 points) ● 5 ● 7 ● 7
selected Mar 14, 2018 by faiz
 
Best answer

(x+2)2 = x2 + 102
x2 + 4x + 4 = x2 + 100
4x + 4 = 100
x = 24
Depth of the pond = 24m

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