解答
解答
+1
十进制
求解步骤
Given:
给定 的圆面积:
流行的例子
Five times a number minus one is greater than or equal to negative eleven.the product of two consecutive positive numbers is 42.find the numbersSusan went for a drive in her new car. She drove at a speed of 25.6 miles per hour for 2 hours. For how many miles did she drive?The diameter of a circle is 6 m. Find its 周长 in terms of pipi.Find the area of a circle with a 半径 of 9.9 millimeters. Round your answer to the nearest hundredth. (Use value of pi=3.14)