Surface Area

Front

What is surface area?

Back

Surface area is the total area that the surface of a three-dimensional object occupies.

Front

What is the formula for the surface area of a sphere?

Back

The formula for the surface area of a sphere is S.A = 4πr², where r is the radius.

Front

Calculate the surface area of a sphere with a diameter of 10 inches.

Back

The surface area is 314.16 in².

Front

What is the formula for the surface area of a rectangular prism?

Back

The formula is S.A = 2lw + 2lh + 2wh, where l is length, w is width, and h is height.

Front

Find the surface area of a rectangular prism with dimensions 5 cm, 4 cm, and 3 cm.

Back

The surface area is 94 cm².

Front

What is the formula for the surface area of a cylinder?

Back

The formula is S.A = 2πr(h + r), where r is the radius and h is the height.

Front

Calculate the surface area of a cylinder with a radius of 3 cm and a height of 5 cm.

Back

The surface area is approximately 150.8 cm².

Front

What is the formula for the surface area of a cone?

Back

The formula is S.A = πr(r + l), where r is the radius and l is the slant height.

Front

Find the surface area of a cone with a radius of 2 cm and a slant height of 5 cm.

Back

The surface area is approximately 28.26 cm².

Front

What does 'l' represent in the surface area formula S.A = 1/2Pl + bh?

Back

'l' represents the slant height of the pyramid.