Circumference
Circles
Area
Arc length
area of the sector
100

Find circumference with a radius of 3in (round to the nearest tenth).

C= 18.8in


100

(x-3)2+(y+2)2=16

what is the radius

4

100

Find the area when the radius is 4in(round to the nearest tenth)

A=50.24in2

100

Find the arc length if its 105 degrees with a radius of 11 (round to the nearest tenth).

arc length= 20.1 

100

A pizza has a radius of 10ft. A slice covers 90 degrees of the pizza.

What is the area of the sector?

X= 78.5ft2

200

Find circumference with a radius of 10ft (round to the nearest tenth).

C=62.8ft

200

Find The center of this equation

(x-5)2+(y-3)2=12

C= (5,3)

200

Find the area when the radius is 6in (round to the nearest whole number).

A=113in2

200

Find the arc length if its 200 degrees and the radius is 10 (round to the nearest tenth).

Arc length= 34.9

200

A circular garden has a radius of 12ft. A section of the garden covers 120 degrees. 

What is the area of the sector?

X= 150.72ft2

300

Find the circumference if the diameter is 5in (round to the nearest tenth)

C=15.7in

300

Find the radius and the center of this equation 

(x-6)2+(y-4)2=25 

R=5

C= (6,4)

300

Find the area when the radius is 8in (round to the nearest whole number).

A=201in2

300

Find the arc length if its 90 degrees and the radius is 10.

Arc length= 15.7

300

A Ferris wheel forms a circle with a radius of 15ft. A highlighted section measures 144 degrees. 

X= 282.6ft2

400

Find the radius with the given circumference of 37.68ft.

r=6ft

400

What is the center and radius of this equation 

(x+7)2+(y-4)2=81

C= (-7,4)

r= 9

400

If the area is 452.16in what is the radius?

r=12in

400

Find the arc length if it is 135 degrees and the radius is 8.

arc length= 18.84

400

A circular fountain has a radius of 18ft. A decorative section covers 225 degrees.

What is the area of the sector?

X= 635.85ft2

500

Find the radius with the given circumference of 27.9in (round to the nearest tenth). 

r=4.4in

500

Write the equation with the given center (4,-3) and a radius of 3.

(x-4)2+(y+3)2=9

500

Find the area with a diameter of 15in (round to the nearest tenth).

A=176.6in2

500

find arc length if it is 240 degrees and the radius is 15.

arc length= 62.8

500

A circular track has a radius of 25ft. A runner travels through a sector measuring 288 degrees.

What is the area of the sector?

X= 1570ft2

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