If the height of a cylinder is reduced by 2 cm, the surface area will be reduced by 18.84 square cm. What is the bottom area of the cylinder?

If the height of a cylinder is reduced by 2 cm, the surface area will be reduced by 18.84 square cm. What is the bottom area of the cylinder?

The bottom radius of the cylinder is: 18.84 △ 2 △ 3.14 △ 2 = 1.5 (CM); so the bottom area of the cylinder is: 3.14 × 1.52, = 3.14 × 2.25, = 7.065 (CM); answer: the bottom area of the cylinder is 7.065 square cm

If the height of a cylinder is reduced by 2 cm, the surface area will be reduced by 18.84 square cm. What is the bottom area of the cylinder?

The bottom radius of the cylinder is: 18.84 △ 2 △ 3.14 △ 2 = 1.5 (CM); so the bottom area of the cylinder is: 3.14 × 1.52, = 3.14 × 2.25, = 7.065 (CM); answer: the bottom area of the cylinder is 7.065 square cm

If the height of a cylinder is reduced by 2 cm, the surface area will be reduced by 18.84 square cm. What is the bottom area of the cylinder?

The bottom radius of the cylinder is: 18.84 △ 2 △ 3.14 △ 2 = 1.5 (CM); so the bottom area of the cylinder is: 3.14 × 1.52, = 3.14 × 2.25, = 7.065 (CM); answer: the bottom area of the cylinder is 7.065 square cm

If the height of a cylinder is reduced by 3 cm, the surface area will be reduced by 18.84 square cm. What is the bottom area of a cylinder?
What's the formula

Radius: 18.84 ／ 3 ／ 3.14 ／ 2 = 1 (CM)
Bottom area: 3.14 × 1 & sup2; = 3.14 (cm2)