해법
해법
솔루션 단계
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해결 대상
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twice the 차이 of a number and 2 is equal to 8The radius of a 원형 is 3 feet. What is the 원형's area?What is the volume of a sphere with a 반지름 of 6.3 cm, rounded to the nearest tenth of a cubic centimeter?The 지역 of a rectangle is 3,420 square feet. The width of the rectangle is 9 feet. What is the perimeter of the rectangle?The 지름 of a circle is 16 ft. Find its area to the nearest whole number.