SAT Math Practice Question #33691 - SATify | SATify
#33691
circles
coordinate geometry
geometry
easy
30 sec
A circle in the xy-plane has a diameter with endpoints (0,0) and (6,0). An equation of this circle is (x−3)2+y2=r2, where r is a positive constant. What is the value of r?
• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-). • Fractions must be in lowest terms. • Mixed numbers must be converted to improper fractions.