1.Which of the following is not true about a circle.
A.The diameter is twice its radius.
B.The radio of the same circle are equal.
C.Every diameter is chord,but not every chord is a diameter.
D.The endpoints of the radius are points on the circle.

2.The measure of a central angle of a circle is equal to 64°. what is the measure of its intercepted arc?
A. 32°
B. 64°
C. 116°
D. 128°

3. The radius of a circle measures 8cm.What is the measure of the longest chord?
A. 4 cm
B. 8 cm
C. 16 cm
D. 64 cm

4.An owl can turn its head up to 270°.What kind of arc does this represent?
A. Minor arc
B. Semicircle
C. Major arc
D. Intercepted arc

5.The measure of an inscribed angle of a circle is 65°.What is measure of its intercepted arc?
A. 32.5°
B. 130°
C. 150°
D. 180°​