A small indoor greenhouse (herbarium) is made -Maths 9th

1 Answer

Answer :

Here, l = 30 cm, b = 25 cm, h = 25  cm  (i) Area of the glass = 2 (lb + bh + hl) = 2(30 x 25 + 25 x 25 + 25 x 30) = 2(750 + 625 +750) = 4250 cm2 (ii) Tape needed for all the 12 edges = 4(30 + 25 + 25) = 320 cm.  

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