GRE数学题2r is the radius and d is the diameter of circular reg
1个回答
由题意,d=2r,Area=πr^2
面积是正的,r半径是直径d的一半,r-d小于零,
所以the area of C 一定比 r-d 大咯
相关问题
two disks(one radius is R,the other radius is 2R) and a flat
float r,s /*/*r is radius*/*s is area of circular*/ 是不是多了个/*
两道AP微积分题..1 the volume of a cone of radius r and height h is
the length of a radius divided by the length of a diameter i
Volume:The radius r of a sphere is increasing at a rate of 2
问道GRE数学题,看不懂.d=5.03894 and D is the decimal expression for d
一道gre数学题n is an even integer and a multiple of 3 .The remain
GRE数学题3The sum of 4 integers is even.the number of these int
一道GRE数学题in the xy-plane what is the slope of the line whose
the larger the diameter is,the higher the foundation would r