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areas of circles
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100
What is the area of a circle with radius = 1.5m?
7.065 m2
100
what is the circumference of a circle with diameter = 100.6m?
315.884m
100
what is the area of a sector in a circle with radius = 3m and central angle =45 degrees?
3.5325 m2
100
what is the arc length of a circle with diameter = 92m and a central angle of 35 degrees?
28.0855 m
100

solve. 3x-7=7x+7

x=-1

200
what is the area of a circle with diameter = 11m?
94.985 m2
200
what is the circumference of a circle with radius = 12.15m?
76.302m
200
what is the area of a sector in a circle with diameter= 11 and central angle = 20 degrees?
5.2769 m2
200
what is the arc length of a circle with radius = 43m and a central angle of 14 degrees?
10.5 m
200

What is 60 degrees in radians?

(1/3) pi

300

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

6.05m

300
The circumference of a circle =105m. What is the diameter?
33.439m
300
DAILY DOUBLE!!!!! what is the area of a sector in a circle with diameter = 50m and central angle = 120 degrees?
654.1667 m2
300
what is the arc length of a circle with radius = 39m and a central angle of 100 degrees?
68.03 m
300

How many degrees are in (3/4)pi radians?

135

400

If the area of a circle is 93 m2 what is the circumference of the circle?

34.2m

400

If the diameter of a circle is 3pi, what is the circumference?

29.6

400
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
400
If the arc length of a circle = 12m and the circumference of that circle = 72m what is the measure of the central angle in degrees?
60 degrees
400

What is the sum of the interior angle of a hexagon?

720

500

If the circumference of a circle is 200m, what is the area of the circle?

3183.1m2

500

If the circumference of a circle is equal to 10m.  What is the area of it's semi-circle?

157.1 m2

500

A pizza with a radius of 8 inches is divided into 12 equal slices, what is the area of each pizza slice?

16.8 in2

500

If a circle has an area of 263m2 and an arc length of 6.8m, what is the central angle?

42.6

500

What is the slope of a line perpendicular to y=-8x+2

1/8