해법
해법
솔루션 단계
Translate the problem into an equation
Solve the equation
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The radius of a 원형 is 4 m. Find its areaUse x for your variable.:The quotient of four less than a number and seven is ten.:Equation: x= :Question Help:The 원둘레 of a circle is 15pi cm. What is the area, in square centimeters? Express your answer in terms ofif the 지역 of this square is 36 square inches what is the length of the unknown sideThe radius of a 원형 is 21 m. Find its area to the nearest whole number.