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:
Total number of kernels on a corn is 539.
Step-by-step explanation:
We have to find the area of a surface of a cone.
A = r π l
l² = r² + h²
r = 6.6 cm, h = 11.2 cm
l² = 6.6² + 11.2²
l² = 43.56 + 125.44 = 169
l = √169 = 13 cm
A = 6.6 * 3.14 * 13 = 269.5 cm
269.5 * 2 = 539 kernels
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