find the cost of painting it required of dimensions 20 cm into 15 cm into 12 @ 25 Paisa per square centimetre
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Answer:
Area of the cuboid=2(lb+bh+lh)
area of cuboid =2(20×15+15×12+20×12)
=2×300+180+240
=2×720
=1440cm square
cost for per square cm= 25 paise
cost for 1440 square cm= 1440×25=36000 paise
= 360 rupees
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