Lời Giải
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Represent the number with
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The chu vi of a circle is 15pi cm. What is the area, in square centimeters? Express your answer in terms ofif the diện tích of this square is 36 square inches what is the length of the unknown sideThe bán kính of a circle is 21 m. Find its area to the nearest whole number.Six consecutive even numbers add up to 90 . What are the numbers?seven less than twice a certain number is 3 more than the same number what is the number