1.

If the area of the square is 100 + omega 0.2 cm square then the side of a square is

Answer»

If the SIDES of a square are lengthened by 4 CM, the area BECOMES 256 square cm. Find the length of a side of the original square?

Answer

12 cm

let the side of the original square =x

then the side of the lengthened square =x+4

area =(x+4)2=256

take the square ROOT of both sides

√(x+4)2=√256

x+4=16

x=16−4=12

the side of the original square =12 cm


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