A corn cob shaped like a cone has radius of its broadest and as 1.4 CM and length as 12 CM. if each 1 cm square of surface of the cob carries average of four grains ,find how many grains approximately you would find on the entire cob?
need the answer little quick plz
Answers
Answered by
8
Answer:
Here l=
r
2
+h
2
=
(1.4)
2
+(12)
2
=
145.96
=12.08 cm (approx.)
Therefore the curved surface area of the corn cob =πrl
=
7
22
×1.4×12.08
=53.15
=53.2 sq. cm (approx.)
Number of grains of corn on 1 cm
2
of the surface of the corn cob =4.
Therefore, number of grains of the entire curved surface of the cob.
=53.2×4=212.8=213 (approx.)
So, there would be approximately 213 grain of corn on the cob.
Hope it will help you
Answered by
2
Answer:
happy rose day
Step-by-step explanation:
67.5 grains
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