6.3 Surface Area of Three-Dimensional Shapes

Report 1 / 5

Danish has a ball with a surface area of \(1\space256.8\text{ cm}^2.\)

Find the radius of his ball.

Difficulty Level: Medium

Report 2 / 5

Ali has a ball with a surface area of \(1\space256.8\text{ cm}^2.\)

Find the radius of his ball.

Difficulty Level: Medium

Report 3 / 5

The diagram shows a cylindrical container with a hemispherical lid made of iron sheet.

Find the area of the iron sheet, in \(\text{m}^2.\)

(Use \(\pi=\dfrac{22}{7}\))

Difficulty Level: Hard

Report 4 / 5

The diagram shows a composite solid consists of a hemisphere and a cylinder.

Calculate the surface area of composite solid in \(\text{cm}^2.\)

(Use \(\pi=\dfrac{22}{7}\))

Difficulty Level: Medium

Report 5 / 5

The surface area of a sphere is \(1\space995.84\text{ cm}^2.\)

Calculate the diameter, \(d\) of the circle.

Difficulty Level: Hard