CIRCLE 1

What does the red line represent?

• The circumference of the circle

• The diameter of the circle

• The radius of the circle

The diameter of a circle is 10 in.

What is its radius?

• 20 in.

• 5 in.

Which best represents the circumference of a circle with a radius of 12 inches?

• 37.68 inches

• 75.36 inches

• 62.14 inches

• 27.14 inches

1. measure of arc JK

• 339

• 159

• 201

• 21

1. measure of angle JNM

• 339

• 159

• 201

• 21

2. measure of angle UXV

• 267

• 21

• 93

• 108

• 72

2. measure of arc WV

• 267

• 21

• 93

• 108

• 72

3. measure of arc CD

• 236

• 124

• 90

• 304

Which is true of a major arc?

• Forms half a circle.
• Forms a whole circle.
• Measures greater than 180 degrees.
• Measures less than 180 degrees.

What is the measure of arc AB?

• 140
• 142
• 180
• 153