One of the sides of a square measures 20 cm in length. If we increase the length of two opposite sides by 4 centimeters and decrease the length of the remaining two opposite sides by the same measure. then what will be the area of the resulting figure in sq.cm?

A     324

B    360

C    384

D    400

Solution

Correct Answer: Option C

 

resulting area = 24 ×16 = 384

 

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