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Exam-Style Question on MensurationA mathematics exam-style question with a worked solution that can be revealed gradually |
Question id: 288. This question is similar to one that appeared on a IGCSE Core paper in 2006. The use of a calculator is allowed.
A bricklayer estimates the number of bricks he will need to build a wall by dividing the area of the wall by the area of the face of a brick.
The wall is 16 metres long and 1.2 metres tall.
The bricks he will use are each 25 centimetres long and 12 centimetres tall.
Calculate an estimate for the number of bricks the bricklayer will need to build the wall.
The diagram above of part of the wall is not drawn to scale.
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Drag this panel down to reveal the solution
If you need more practice try the self-checking interactive exercises called Area and Perimeter.
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