If the perimeter of a rectangle and a square, each is equal to 80 cm and the difference of their areas is 100 sq cm, the sides of the rectangle are:
a. 25 cm, 15 cm
b. 28 cm, 12 cm
c. 30 cm, 10 cm
d. 35 cm, 15 cm
If the perimeter of a rectangle and a square, each is equal to 80 cm and the difference of their areas is 100 sq cm, the sides of the rectangle are:
a. 25 cm, 15 cm
b. 28 cm, 12 cm
c. 30 cm, 10 cm
d. 35 cm, 15 cm










