The surface area of a cylinder consists of area of the upper base, area of the lower base, and the side area.
Area of the base
Area of the upper base/lower base is equal to area of a circle. Find area of a circle
a = π × r²
a = 3.14 × 8²
a = 3.14 × 64
a = 200.96
The area of the circle is 200.96 cm²
Area of the lateral side
Area of the side is equal to area of a rectangle. The length of the rectangle is equal to the circumference of the circle, the width of the rectangle is equal to the height of the cylinder
a = 2πr × t
a = 2 × 3.14 × 8 × 4
a = 200.96
The area of the lateral side is 200.96 cm²
Find the surface area
sa = area of the upper base + area of the lower base + area of the side
sa = 200.96 + 200.96 + 200.96
sa = 602.88
The surface area of the cylinder is 602.88 cm².
To the nearest tenth, the area is 602.9 cm²
