해법
해법
솔루션 단계
Translate the problem into an equation
Solve the equation
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The radius of a 원형 is 9 miles. What is the 원형's area?The diameter of a circle is 17 cm. Find its 원둘레 in terms of pipi.What is the volume of a sphere with a 반지름 of 34.2 m, rounded to the nearest tenth of a cubic meter?The radius of a 원형 is 7 in. Find its area in terms of pipi.What is the volume of a sphere with a 반지름 of 3 m, rounded to the nearest tenth of a cubic meter?