1. If the radius of a circle is 10 inches, what is the diameter?
a. 10 inches
b. 20 inches
c. 5 inches d. 15 inches
2. If a circle has a diameter of 15 inches, what is the radius?
a. 7.5 inches
b. 30 inches
C. 45 inches d. 25 inches
3.A
is a line segment that connects the center of the circle to any point on
the circle.
a. diameter
b. chord
C. radius
d. angle
4. A segment whose endpoints are on the circle and it passes through the center of
the circle
а. radius
b. diameter
c. secant
d. tangent
5. An angle formed by two radii is
a. inscribed angle b. right angle c. obtuse angle d. central angle
6. A diameter of a circle is also called the longest of the circle
a. angle
c. chord d. radius
7. An angle whose vertex is on a circle and whose sides contain chords of the
circle
a. inscribed angle b. right angle c. obtuse angle d. central angle
8. The distance around the circle is called
a. circumference
b. area
c. perimeter
d. volume
9. Half a circle is called
a minor arc
b. major arc C. semi-circle
d. chord
b. arc​