Question

About how many inches does a
20-inch diameter tir roll in one
turn? (Use 3.14 for it.)

Answer 1

62.8 inches

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Explanation:

diameter = 20 inches

radius = diameter ÷ 2

radius = 20 ÷ 2

= 10 inches

circumference = 2π × radius

= 2 × 3.14 × 10

= 62.8 inches

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