Show:
Vocabulary
Radius
Diameter
Circumference
Area
Formulas
100
An infinite amount of points equidistant from another point.
What is a circle?
100
How would one find the radius when given diameter?
What is divide the diameter by 2?
100
How do you find diameter when given radius?
What is double the radius?
100
How are circumference and diameter related?
What is the circumference is π diameters?
100
What part of the circle do you need in order to find area?
What is the radius?
100
What is the formula to find radius when given diameter?
What is R=D/2?
200
The point on a circle that is the same distance from all other points on a circle
What is the center
200
Find the radius of a circle with a diameter of 30.2m

What is 15.1 m

200
The diameter of a circle whose radius is 13.4 mi.
What is 26.8 mi.
200
The diameter is 8 in. What is the circumference? Use 3.14 for π. Round to the nearest tenth.
25.1 in
200
Find the exact area of a circle whose radius is 14 yd.
What is 196π yd²?
200
What is the formula for Circumference?
What is C=2πr or C=πd?
300
a segment that connects to points on the circumference
What is a chord?
300
What is the radius, when the circumference of a circle is 86π in?
What is 43 in?
300
The diameter of a circle whose circumference is 94.2 in. Use 3.14 for pi. Round to the nearest tenth.
What is 30 in?
300
The radius of a circle is 366 in. What is the circumference in terms of pi?
732π in
300
Use 3.14 for pi. What is the area when the radius is 3m? Round to the nearest tenth.
What is 28.3 m²?
300
What is the area formula?
What is A=πr²?
400
Half of a circle
What is a semi-circle?
400
What is the radius of a circle whose area is 3136πft²
What is 56 ft?
400
What's the diameter of a circle whose area is 9π in²?
What is 6 in?
400
The radius of a circle is 33 mi, what's the circumference? Use 3.14 for π. Round to the nearest tenth.
What is 207.3 mi?
400
What is the area in terms of pi when the diameter is 20 ft?
What is 100π ft²
400
What is the formula to find diameter when given circumference?
D=C/π
500
a curve that connects two points on the circumference
What is an arc?
500
What is the radius of a circle whose area is 113.1ft². Use 3.14 for π. Round to the nearest tenth
What is 6 ft?
500
What's the diameter of a circle whose are is 254.5 in²? Use 3.14 for π. Round to the nearest tenth.
What is 18 in?
500
Area is 36π cm². What is the exact circumference?
What is 12π cm?
500
Find the area in terms of pi, when the circumference is 86π m.
What is 1849π m²?
500
What is the formula to find radius when given area?
r=√(A/π)