A small Indoor greenhouse (herbarrium ) is made entirely of glass panes (including base ) held togetherwith tape. It is 30cm long,25cm wide 25 cm high
i) what is the area of the Glass
ii) Find the length of the tape used.
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Answer:
Given:
⇒l=30,b=25,h=25
(i) Total S.A of green house
=2(lb+bh+lb)
=2(30×25+30×25+25×25)
=4250 cm
2
(ii) For 12 edges: Total length
=4l+4b+4h
=4(30+25+25)
=320 cm
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