Radius of circular base of an ear of corn is 6.6 cm and its length is 11.2 cm. If on an average 1 sqcm area contains 2 corn kernels, find the total number of kernels on a corn.
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Answer:
929 kernels
Step-by-step explanation:
Find the curved surface area:
Curved Surface Area = 2πrh
Curved Surface Area = 2π(6.6)(11.2) = 464.64 cm²
Find the number of kernels:
1 cm² = 2 corn kernels
464.64 cm² = 464.64 x 2 = 929 kernels
Answer: There are 929 kernels on a corn.
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yogeshgupta279:
A corn is like a cone shape how? 2πrh then?
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