Question

Radius of circular base of an ear of corn is 6.6cm and it's length is 11.2 cm if on an average 1sqcm area contains 2 corn kernels find total number of kernels on corn

Answer 1

Answer:

930 kernels

Step-by-step explanation:

Given that : Radius of the base of the circular base corn = 6.6cm and Height of the corn = 11.2cm

As the corn in the shape of cylinder

As we know that : Curved Surface Area of the cylinder = 2πrh

=> 2πrh = 2×22/7×6.6×11.2 = 464.64cm²

Now, Given that :

1 cm² area contains 2 kernels.

Then, according to the question :

Total number of kernels = 2×464.64

= 929.28

So, the total number of kernels = 930 (approx.)

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