A room and ceiling is to be painted ...if the lenght breadth and height of room is 3.5 , 3 , 4.5
Find the area which is to be paintd
Asked by Mohdayaz9921 | 27th Nov, 2018, 04:41: PM
The are which is to be painted = Area of a Cuboid + Area of the Base
= 2(lb + bh + lh) - lb
= lb + 2bh + 2lh
=[(3.5 × 3) + (2×3× 4.5) + (2 × 3.5 × 4.5)]
= 10.5 + 27 + 31.5
= 69 sq.unit
Answered by Yasmeen Khan | 27th Nov, 2018, 06:09: PM
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