Find the volume of a cone having base radius 3.5 cm and height 18 cm.

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Accepted Answer

The volume V of a cone is given by the formula: V = (1/3) * π * r² * h
Given:
r = 3.5 cm
h = 18 cm

Step 1: Calculate r² = (3.5)² = 12.25
Step 2: Use π ≈ 3.1416
Step 3: Calculate volume:
V = (1/3) * 3.1416 * 12.25 * 18
= (1/3) * 3.1416 * 220.5
= (1/3) * 692.7358
= 230.9119 cm³

Rounding to the nearest whole number, volume ≈ 231 cm³

Therefore, the correct answer is 231 cm³.

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Answer

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