解答
解答
+1
十进制
求解步骤
Given:
给定 的圆面积:
流行的例子
90% of what number is 64.8The 直径 of a circle is 7 cm. Find its area to the nearest whole number.What is the perimeter of an equilateral triangle where each side's length is represented by the expression 6xy?Sandra bought a pair of leather boots that were marked down by 20%. The original cost of the boots was 150. What did Sandra pay for the boots?The product of two consecutive negative integers is 30 . Find the value of the lesser integer.:Answer Attempt 1 out of 2