The dimensions of a cuboidal wooden cabinet are 2.5 m by 1.5 m by 20 dm. It has to be painted leaving out the base. How much surface area is to be painted?
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Answer:
Step-by-step explanation:
Area to be found : C.S.A + area of base.
2h(l+b)+l*b
1 DM = 10 M
2*2(2.5+1.5) + (2.5*1.5)
16+3.75
Thus area to be painted = 19.75