SAT Math Practice Question #12582 - SATify | SATify
#12582
coordinate geometry
circles
geometry
hard
30 sec
The equation (x+10)2+(y−2)2=81 represents a circle on the xy-plane. What is the radius of this circle?
• 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.
