Q. 64.0( 362 Votes )

A small indoor gr

Answer :




(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 alongside 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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