a box in a form of a cuboid whose external measures for 50 cm into 40 cm into 25 CM the base the side and the backspace or to be painted black find the area to be painted
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Answer:
See below
Step-by-step explanation:
CSA of cuboid + area of base
2(l+b)h+l×b
2(90)25+2000
180×25+2000
4500+2000
6500cm^2
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