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Multiple Choice Questions

One side of a rectangular playground is 20m and one of its diagonals is 25m What is the area of the ...........

Quantitative Aptitude (CDS) Mensuration 2D

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One side of a rectangular playground is 20m and one of its diagonals is 25m. What is the area of the playground?

250 $_m{2}$

260 $_m{2}$

400 $_m{2}$

300 $_m{2}$ ??

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Explanation:

Let the other side of the playground be x.
Then, by (Pythagoras theorem)
x^2 = 625-400 = x^2 =225 = 15
Area = (20×15) $_m{2}$ = $_m{2}$

By: bhavesh kumar singh

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