a glass pane measures 30 cm by 25 cm . how many square glasses of side 25 cm is required
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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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