Surface Area

Here are some mathematical questions for you. Can you figure out the answers? Give non exact answers correct to the nearest whole number. The diagrams are not to scale.

Shape1

Find the surface area of a cube if the length of each side is 7cm.

Working:

cm2 Correct Wrong
Shape2

Find the surface area of this cuboid if AB = 35cm, BC = 31cm and CD = 34cm.

Working:

cm2 Correct Wrong
Shape3

Find the surface area of this solid cylinder if the radius of the circular top is 43cm and its height is 42cm.

Working:

cm2 Correct Wrong
Shape4

Find the surface area of a solid cone if the radius of the circular base is 33cm and the length of the sloping side is 29cm.

Working:

cm2 Correct Wrong
Shape5

Find the surface area of a sphere with a diameter of 76cm.

Working:

cm2 Correct Wrong
Shape6

Find the surface area of a triangular prism if the area of its cross section is 61cm2, its length is 43cm and the 3 sides of the triangular ends add up to 36.

Working:

cm2 Correct Wrong
Shape7

Find the surface area of a solid cylinder if the diameter of the circular end is 74cm and its length is 36cm.

Working:

cm2 Correct Wrong
Shape8

Find the surface area of a square based pyramid if the length of a side of the square base is 9cm and the area of each triangular face is 45cm2.

Working:

cm2 Correct Wrong
Shape9

The cross section of a prism is a right angled triangle as shown in the diagram. Calculate the surface area of the prism if AB = 18cm, BC = 9cm and CD = 12cm.

Working:

cm2 Correct Wrong
Shape10

The cross section of a prism is an 'L-shaped' as shown in the diagram. Calculate the surface area of the prism if AB = 36cm, BC = 44cm, CD = 5cm, DE = 12cm and AF = 10cm.

Working:

cm2 Correct Wrong

See also Volume

Instructions
Try your best to answer the questions above. Type your answers into the boxes provided leaving no spaces. When you have finished click the "check" button. If you have any questions wrong, do your best to do corrections but if there is anything you don't understand, please ask your teacher for help.

When you have got all of the questions correct you may want to print out this page and paste it into your exercise book. If you keep your work in an ePortfolio you could take a screen shot of your answers and paste that into your Maths file.

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