Question

# A house with a flat roof is rectangular in shape, 10 m wide, 13 m long and 5 m high. It is to be painted inside and outside, and on the ceiling, but not on the roof or floor. The total number of sq. m. to be painted is:

A
360
B
460
C
650
D
590
E
720

Solution

## The correct option is D 590$$S = 1 (13 \cdot 10) + 2[4(13 \cdot 5)] = 590$$.Mathematics

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