Area & Circumference
Arc Length
Sector Area
????
100
A circle has a radius of 6 cm. What is the circumference?
37.7 cm
100
If a circle has a radius of 4 inches, what is the arc length formed by a central angle of 90 degrees?
6.3 inches
100
If a circle has a radius of 5 inches, what is the sector area formed by a central angle of 90 degrees?
19.6 inches²
100
What is the area of a circle with a circumference of 6π?
9π
200
What is the area of a circle with a radius of 6 cm?
113.0 cm²
200
If a circle has a radius of 10 cm., what is the arc length formed by a central angle of 45 degrees?
7.9 cm.
200
If a bike tire has a radius of 15 inches, what is the sector area formed by a central angle of 100 degrees?
196.3 inches²
200
What is one COUNTRY Mr. K is going to on his honeymoon?
England, Spain, or Italy
300
What is the radius of a pie with an area of 78.5 cm2?
5 cm
300
If a circle has a radius of 6 inches, what is the arc length formed by a central angle of 70 degrees?
7.3 inches
300
If a cookie has a radius of 4 cm., what is the sector area formed by a central angle of 180 degrees?
25.1 inches²
300
Find the measure of
angleMIJ
125 degrees
400
If a circle has a circumference of 44 cm., what is its diameter? Round to the nearest whole number.
14 cm.
400
Find the measure of the central angle of an arc if its length is 14π and the radius is 18.
140 degrees
400
Find the radius of a circle which has a sector area of 9π whose central angle is 90°.
r = 6
400
What is Mr. K's cat's name?
Kitty
500
What is the diameter of a circle that has an area of 314 in2?
20 inches
500
A circle has an arc whose measure is 80° and whose length is 88π. What is the diameter of the circle?
396
500
Find the measure of the central angle of a sector if its area is 5π and the radius is 6.
50 degrees
500
Find the measure of arc WV.
50 degrees