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areas of circles
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100

What is the area of a circle with radius=6m?

113.04 m2

100

What is the circumference of a circle with diameter = 11 m?

34.54 m

100

What is the area of a sector in a circle with radius =12 m and central angle = 30 degrees?

37.68 m2

100

What is the arc length of a circle with diameter = 92 m and a central angle of 35 degrees?

28.0855 m

100

solve:  2x + 6 = 12

x=3

200

What is the area of a circle with radius = 1.5m?

7.065 m2

200

What is the circumference of a circle with diameter = 100.6 m?

315.884 m

200

What is the area of a sector in a circle with radius = 3 m and central angle = 45 degrees?

3.5325 m2

200

What is the arc length of a circle with diameter = 29 m and a central angle of 160 degrees?

40.471 m

200

What is the area of a square with a circle cut out of the middle? The square has side length = 3 m and the circle has a radius of 0.5 m.

8.215 m2

300

What is the area of a circle with diameter = 11m?

94.985 m2

300

What is the circumference of a circle with radius = 16 m?

100.48 m

300

What is the area of a sector in a circle with diameter = 11 and central angle = 20 degrees?

5.2769 m2

300

What is the arc length of a circle with radius = 43 m and a central angle of 14 degrees?

10.5 m

300

What is the slope of the line y = 3x + 7?

3

400

What is the area of a circle with diameter = 2.5m?

4.90625 m2

400

What is the circumference of a circle with radius = 12.15 m?

76.302 m

400

What is the area of a sector in a circle with diameter = 50 m and central angle = 120 degrees?

654.1667 m2

400

What is the arc length of a circle with radius = 39 m and a central angle of 100 degrees?

68.03 m

400

What is the total degrees of a circle?

360 degrees

500

If the area of a circle is 115 m2 what is the radius of the circle?

6.05 m

500

The circumference of a circle =105m. What is the diameter?

33.439 m

500

The area of a circle is 55 m2. The area of a sector in the circle is 13.75 m2. What is the measure of the central angle in degrees?

90 degrees

500

If the arc length of a circle = 12 m and the circumference of that circle = 72 m what is the measure of the central angle in degrees?

60 degrees

500

What is the formula for arc length?

2*pi*r2 *angle/360