The radius of a semicircle is 18 miles. What is the semicircle's perimeter?Use 𝜋 ≈ 3.14 and round your answer to the nearest hundredth.
Question
Solution 1
To find the perimeter of a semicircle, you need to calculate the circumference of the full circle and then divide it by 2, then add the diameter of the circle.
Step 1: Calculate the circumference of the full circle. The formula for the circumference of a circle is 2πr, where r is the radius.
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