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the area of a square is numerically equal to 40 times its perimeter find the length of a side of the square​

Sagot :

Answer:

S = 160 units

Step-by-step explanation:

A = 40 P

s^2 = 40 (4s)

s^2 = 160s

s^2 - 160s = 0

s (s-160) = 0

s - 160=0

s = 160