The green house has a door on one side measuring 9cm x 4cm. Find the cost of the material at the rate of AED 4.50 per square meter excluding roof.
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1) Dimensions of greenhouse:
l = 30 cm, b = 25 cm, h = 25 cm
Total surface area of green house = 2(lb + bh + lh)
= 2(30×25 + 25×25 + 25×30)
= 4250cm2
(ii) Length of the tape needed = 4(l + b + h)
= 4(30 + 25 + 25)
= 320 cm
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