Geometry Quiz #2

Find x. Assume that segments that appear to be tangent are tangent.

• 11.2

• 18.0

• 25.0

• 30.0

What is m∠ACB?

• 67.5°
• 90°
• 22.5°
• 45°

• A
• B
• C
• D

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

The diameter of a circle is:

• The measurement around the circle.
• The distance from an edge of a circle to another edge.
• The distance from the center of the circle to an edge of a circle
• The distance from an edge of a circle to another edge through the center. 

What does "circumference" mean?

• Space a circle takes up
• Distance around a circle
• Line from one side of a circle to another
• Line from center of circle to side

Alex has trained his puppy, Popper, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference (use 3.14 for pi)?

• 11.32 ft
• 12.25 ft
• 10.99 ft
• 8.75 ft

To find the circumference of a circle, you must multiply the ________________ by 3.14.

• circumference

• area

• radius

• diameter

To go from radius to diameter I need to do what?

• divide by 2
• multiply by 2
• multiply by 3.14
• divide by 3.14

The opposite angles of a parallelogram are ...

• complementary
• congruent
• supplementary
• perpendicular