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Which of the following equation represent "The volume (V) of a cone varies jointly as its height (h) and square of its radius r?

(a) V=khr (b) V = hr (c) V = khr2 (d) V = khi​

Sagot :

Answer:

C

Step-by-step explanation:

This is a joint variation

Your clue is "varies jointly"

Therefore, V= khr².

k is the constant

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