Answer:
a 4x
b 16x
c. 16x +20
Explanation:
Area of square = (lenght of 1 side)^2
4x = length of 1 side
b/
P = 4 length = 16x
c/each side length = 4x +5
New P = 4 (4x+5)
= 16x + 20
will increase by 20
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