解答
解答
求解步骤
Translate the problem into an equation:
流行的例子
The diameter of a circle is 12 yards. What is the circle's 周长?The 半径 of a circle is 20 ft. Find its area in terms of pipiFind the 半径 of a circle with an area of:615.75 square kilometers.The sum of three consecutive even numbers is 48. What are the smallest of these numbers?The 周长 of a circle is 50.24 meters. What is the area of the circle? Use 3.14 for pi