Intro to Circles

what is the area of a circle with the diameter of 16 cm ?

• 66 cm

• 200.96 cm

• 66.5 cm

• 10 m

What is the circumference of a circle with a radius of 54 m?

• 339.12 m

• 169.56 m

• 84.78 m 

• A
• B
• C
• D

This type of arc always measures more than 180 degrees.

• major arc

• minor arc

• intercepted arc

• Noah's Ark

A circle's major arc is often named with 3 letters.

• True

• False

How many degrees are in a semicircle?

• 360

• 270

• 180

• 3.14

Solve for the missing angle.

• 45^o

• 90^o

• 22.5^o

• 128^o

Which answer below is a chord in the circle?

Name the circle.

• Circle J

• Circle C

• Circle D

• Circle A

Which answer below is a secant in the circle?