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A corn cob (see in figure), shaped somew...

A corn cob (see in figure), shaped somewhat like a cone, has the radius of its broadest end as 2.1 cm and length as 20cm. If each `1\ c m^2` of the surface of the cob carries an average of four grains, find how many grains you would find on the entire cob?

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To solve the problem step by step, we will follow these steps: ### Step 1: Identify the given values - Radius of the cone (r) = 2.1 cm - Height of the cone (h) = 20 cm ### Step 2: Calculate the slant height (l) of the cone The slant height can be calculated using the Pythagorean theorem: ...
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