Circle Quiz 1

A line that goes from one end of the circle to the other and crosses the center point.  

• center
• diameter
• dime eater
• radius

What is the formula for area of a circle?

• A = π×r²
• A = 2×π×r

What is the formula for Circumference?

• C = π×r²
• C = 2×π×r

Find the area of the circle below.

• 100 cm²
• 225 cm²
• 9 cm²
• 28.26 cm²

Find the area of the circle

• 56.52 in²
• 254.34 in²
• 1017.36 in²
• 113.04 in²

What is the measure of arc AB?

• 140
• 142
• 180
• 153

What is the value of x?

• x = 160
• x = 40
• x = 80
• x = 360

What is the measure of ∠PTQ?

• 100°
• 140°
• 180°
• 120°

Find the measure of arc JH

• 93
• 130
• 120
• 95

Find the measure of the arc or central angle indicated. Assume that lines which appear to be diameters are actual diameters.