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Asked by Rakshada Last Modified
Answer 
Tasneem
(i) Length (l) of green house = 30 cm
Breadth (b) of green house = 25 cm
Height (h) of green house = 25 cm
Total surface area of green house
= 2[lb + lh + bh]
= [2(30 × 25 + 30 × 25 + 25 × 25)] cm2
= [2(750 + 750 + 625)] cm2
= (2 × 2125) cm2
= 4250 cm2
Therefore, the area of glass is 4250 cm2.
(ii)
It can be observed that tape is required along side AB, BC, CD, DA, EF, FG, GH, HE, AH, BE, DG, and CF.
Total length of tape = 4(l + b + h)
= [4(30 + 25 + 25)] cm
= 320 cm
Therefore, 320 cm tape is required for all the 12 edges.
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