Question

find (a) the area (b) the perimeter of the square pqrs if PQ = QR = 20cm

Answer 1

Area=side×side
area=20×20
area=400cm2

perimeter = 4×side
4×20 =80cm

Answer 2

perimeter of square=4 aall the sides of square are equal4(20)=80 sq cmarea of square=(a)^2=(20)^2=400 sq cm  

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