Maths-

General

Easy

Question

# The figure alongside shows the cross-section of a concrete wall to be constructed. It is 3m wide at the top, 5.5 m wide at the bottom and its height is 10 m and its length is 500m.Calculate

(i) the cross-sectional area

- 40.5
- 41.5
- 42.5
- 43.5

## The correct answer is: 41.5

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