Question

area of square is (25p²-20p+4) square unit . find its perimeter.

Answer 1

AREA OF SQUARE=(side)²
side of square=√side
so,
√25p²- 20p+4
SO,
BY UDING IDENTITY,A²+ B²+ 2AB= (A-B)²
(5)²-2(5)(2)+(2)²=(5-2)²
therefore, (5-2)² is required answer.

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Answer 2

Solution:20p-8
By middle ten splitting the expression, we get-
(5p-2)^2 as square’s area
Side of square= (5p-2)
Perimeter= 4(5p-2)
=> 20p-8