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  • A small indoor greenhouse (herbarium) is made entirely of glass panes (including base) held together with tape. It is 30 cm long, 25 cm wide and 25 cm high. (i) What is the area of the glass?

Q : 6    A small indoor greenhouse (herbarium) is made entirely of glass panes (including
base) held together with tape. It is \small 30 \hspace{1mm}cm long, \small 25 \hspace{1mm}cm wide and \small 25 \hspace{1mm}cm high.

(i) What is the area of the glass?
 

Answers (1)

best_answer

Given, dimensions of the greenhouse = 30\ cm \times25\ cm \times25\ cm

Area of the glass = 2[lb + lh + bh]
\\ = [2(30 \times 25 + 30 \times 25 + 25 \times 25)] \\ = [2(750 + 750 + 625)] \\ = (2 \times 2125) \\ = 4250\ cm^2
Therefore, the area of glass is 4250\ cm^2

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Nehul

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