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)] cm^{2}

= [2(750 + 750 + 625)] cm^{2}

= (2 × 2125) cm^{2}

= 4250 cm^{2}

Therefore, the area of glass is 4250 cm^{2}

**(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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