A small indoor greenhouse is made entirely of glass panes held together with tape. It is 30 cm long, 25 cm wide and 25 cm high. How much tape is needed for all the 12 edges?

230 cm

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320 cm

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302 cm

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203 cm

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Solution

The correct option is B 320 cm
Given,
Length = 30cm
Breadth = 25cm
Height = 25 cm.

Length of tape required = Total length of the edges of the cuboidal greenhouse
= (4l + 4b + 4h) cm,

$= (4 \times 30 + 4 \times 25 + 4 \times 25) c m = 320 c m$

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Q. A small indoor greenhouse (herbarium) is made entirely of glass panes (including base) held together with tape It is

30 c m

long,