Question

Area of rectangle is 360cm.which is 90% area of a square.find perimeter of square

Answer 1

Answer:

Let the area of sq. be x

A/q

90 % of x = 360

=> 90/100 × x = 360

=> 9/10 × x = 360

=> x = (360×10)/9

= 400 sq. cm

Area of sq. = 400 sq. cm

Each Side = √400

= 20 cm

Perimeter of sq. = 4 × 20 = 80 cm

Hence the perimeter of sq. is 80 cm .