The diameter of a circle has endpoints whose coordinates are R(-2, 2) and S(4, 2). What is the radius of the circle?
1 Answer
May 28, 2017
Explanation:
#The# coordinates will be#:-#
#=# #((-2+4)/2# ,#(2+2)/2)#
#=# #(2/2# ,#4/2)#
#=# #(1# ,#2)#
after getting the center#we# #have# to find the distance from any one point
we get that
#sqrt((4^2-1^2)+(2^2-2^2)#
#sqrt(3^2# #=# 3
so essentially the#ans# is#3# units