Rajesh added the numerical values of the area and perimeter of a square he
constructed. He got the numerical sum as 117.
What is the perimeter of the square?
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Step-by-step explanation:
area of square = a² sq.units
perimeter of square = 4a units
sum of area and perimeter = 117
a²+4a = 117
a²+4a-117 = 0
(a+13)(a-9) = 0
a+13=0 a-9=0
a= -13 a=9
measurement can't be negative
perimeter of square =4a
=4(9)
=36 units
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