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  • 29-05-2018
  • Mathematics
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No idea how to solve this question about number of tins

No idea how to solve this question about number of tins class=

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Аноним Аноним
  • 29-05-2018
The area of the whole side = area of rectangel + area of the triangular part 

=  10 * 20 + 1/2 * 20 * 4

= 240 m^2

Number of tins required = 240 / 25 =  9.6

So the required number of tins of paint =- 10.
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