Circles
Math · Geometry and Trigonometry · 29 questions · every one comes with a full explanation.
- 1The number of radians in a 720-degree angle can be written as , where a is a constant. What is the value of a ?Medium · Geometry and Trigonometry
- 2An angle has a measure of 9π20 radians. What is the measure of the angle in degrees?Medium · Geometry and Trigonometry
- 3An angle has a measure of 16 π 15 radians. What is the measure of the angle, in degrees?Medium · Geometry and Trigonometry
- 4The measure of angle R is 2 π 3 radians. The measure of angle T is 5 π 12 radians greater than the measure of angle R . What is the measure of angle TMedium · Geometry and Trigonometry
- 5In the xy-plane, a circle with radius 5 has center . Which of the following is an equation of the circle?Medium · Geometry and Trigonometry
- 6In the xy-plane above, points P, Q, R, and T lie on the circle with center O. The degree measures of angles and are each 30°. What is the radian measure of angle ?Medium · Geometry and Trigonometry
- 7The center of the circle is point upper O. Points upper S, upper R, upper Q, and upper P are on the circle. Line segment upper P upper R is a diameter of the circle. Line segment uMedium · Geometry and Trigonometry
- 8A circle in the xy-plane has its center at -4,5 and the point -8,8 lies on the circle. Which equation represents this circle?Medium · Geometry and Trigonometry