Circles
Practice Questions
ACT Math Test › Circles
Rectangle ABCD is inscribed in a circle with center X. If the area of the rectangle is eight times its width, and the distance from X to side AB is three, what is the approximate circumference of the circle?
Rectangle ABCD is inscribed in a circle with center X. If the area of the rectangle is eight times its width, and the distance from X to side AB is three, what is the approximate circumference of the circle?
The area of the semicircle above is 
A circle has an area of 
The area of the semicircle above is
The above figure shows a circle on the coordinate axes with its center at the origin. The shaded region has area 
Give the equation of the circle.
A circle has an area of
The above figure shows a circle on the coordinate axes with its center at the origin. The shaded region has area
Give the equation of the circle.
In the circle above, centered on point O, angle AOB measures 40 degrees. If line segment BD measures 18 inches, what is the measure, in inches, of minor arc BC?
In the circle above, centered on point O, angle AOB measures 40 degrees. If line segment BD measures 18 inches, what is the measure, in inches, of minor arc BC?