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A barn with a flat roof is rectangular in shape of breadth 10m.length 15 m ..and height 5 m ..it is to be painted inside on the wall and on ceiling but not on the floor..find the total area to be painted ....??     Ans -29600
Asked by Mohdayaz9921 | 28 Nov, 2018, 02:39: PM
answered-by-expert Expert Answer

A barn with a flat roof is rectangular in shape of breadth 10m.length 15 m ..and height 5 m ..it is to be painted inside on the wall and on ceiling but not on the floor..find the total area to be painted ....??

b = 10m, l = 15m, h = 5m

Area to be painted = Area of the wall + Area of the ceiling
= 2h(l + b) +lb
= 2 × 5(15 + 10) + 15 × 10
= 400 m2
Answered by Yasmeen Khan | 28 Nov, 2018, 03:55: PM

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