Ajay plans to erect an indoor greenhouse (herbarium) which is made entirely of glass panes
(including base) held together with tape. It is 30 cm long, 25 cm wide and 25 cm high.
(a) What is the surface area of the glass used?
(b) How much of tape is needed for all the 12 edges?
(c) Which mathematical concept is used in the above problem?
Answers
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Step-by-step explanation:
a) (30 x 25) x 2 = 1500
(30 x 25) x 2 = 1500
(25 x 25) x 2 = 1250
= 1500 + 1500 + 1250
= 4250 cm
b) 25 x 4 = 100
25 x 4 = 100
30 x 4 = 120
= 100 + 100 + 120
= 320 cm
c) Meusurement, BEDMAS, Basic Operations
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