6. A small indoor green/:iouse (herbarium ) is made of glass panes (including base) held t.ogether with tape. It is 30 cm wng, 26 cm wU:ie and 26 cm high.(i) What is the area of the glass?(ii) How much of tape is needed for all the 12 edges?
Harshit Singh , 3 Years ago
Grade 12th pass
1 Answers
Pawan Prajapati
Last Activity: 3 Years ago
i) Area of glass (total surface area)
= 2(30 x 25 + 25 x 25 + 30 x 25) cm.2
= 2(750 + 625 + 750) cm2 = 4250 cm2.
(ii) 1btal tap needed = 4(l + b + h)
= 4(30 + 25 + 25) cm = 320 cm.
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