Surface Area

Calculate the total surface area, in cm², of the cuboid shown.

Answer explanation

8 x 6 = 48

8 x 11 = 88

6 x 11 = 66

2(48 + 88 + 66) = 404cm²

Calculate the total surface area, in m², of the cuboid shown.

Answer explanation

4 x 5 = 20

8 x 5 = 40

4 x 8 = 32

2(20 + 40 + 32) = 184m²

Calculate the total surface area, in ft², of the cuboid shown.

Calculate the total surface area, in yd², of the cuboid shown.

Calculate the total surface area, in mm², of the cuboid shown.

Calculate the total surface area, in in², of the cuboid shown.

Sue is covering this box with coloured paper.

She covers the two largest faces with blue paper.

Work out the area, in cm², of blue paper that she uses.

Answer explanation

30 x 20 = 600

600 x 2 = 1200 (2 largest faces)

Sue is covering this box with coloured paper.

She covers the two smallest faces with green paper.

Work out the area, in cm², of green paper that she uses.

Answer explanation

8 x 20 = 160

160 x 2 = 320 (2 smallest faces)

A cuboid is 9cm long.

It has square ends 2cm x 2cm.

Find, in cm², its total surface area.

The surface area of a cube is 150cm².

Work out, in cm², the area of one face.

Answer explanation

150cm² / 6 = 25cm²