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)

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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