If the height of a cylinder increases by 1cm, its surface area will increase by 50.24 square centimeters. What is the bottom area of the cylinder? Formula

If the height of a cylinder increases by 1cm, its surface area will increase by 50.24 square centimeters. What is the bottom area of the cylinder? Formula

Volume of cylinder = area of bottom × height
If the height increases, the volume = bottom area × (height + 1) - ②
② - ① bottom area = 50.24 cm