Question No: 5 How much paint(in litres) is needed to paint all the visible surfaces of the given object, given that painting one face of a each cube requires 0.2 litres of paint?
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Answer:
3.2 litres
Step-by-step explanation:
there are 16 visible surface
1 surface needs 0.2 litres of paint
therefore, 16 x 0.2 = 3.2.
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1
Total number of visible surface = 15
1 surface needs 0.2 litres of paint (given)
∴ 15 sides need = 15 × 0.2 litres of paint = 3 litres of paint
Ans :-All the visible surfaces of the given object will need 3 litres of paint for painting.
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