The Circle
Radius
Diameter
circumference
Area
100
A circle is a collection of points that are _________ from a fixed center point.
What is equidistant.
100
The radius of a circle is a line segment that starts at the ____________ point of a circle and ends at a point on a circle.
What is middle.
100
The diameter is a line segment that goes from one point on a circle to another passing through the _________ of the circle.
What is middle.
100
The formula for circumference when given the diameter is __________________.
What is C=pi*d
100
The area of a circle is the amount of space __________ the circle.
What is inside.
200
The distance around a circle is called ______________.
What is Circumference.
200
The radius of a circle is half of its ________________.
What is diameter.
200
The diameter of a circle is ____________ its radius.
What is twice/double.
200
The formula for Circumference when given the radius is _________________.
What is C=2*pi*r
200
When writing your final answer, your units must always be _____________.
What is squared.
300
If you take a circle, and you cut it in half it's called a __________________.
What is semicircle.
300
A circle has a diameter of 12; what is its radius?
What is 6.
300
The radius of a circle is 18 mm; what is its diameter?
What is 36mm.
300
A circle has a radius of 4 inches; what is the circumference of the circle?
What is 25.12 inches.
300
The formula for area is___________.
What is A = pi* r^2
400
A circle is not a polygon because it does not have ____________.
What is edges.
400
Half of a circle's Radius is 3.7 inches; what is it's radius?
What is 7.4 inches.
400
r = 7; d = ?
What is 14.
400
A circle has a diameter of 6.2 cm; what is its circumference?
What is 19.468 cm.
400
A circle has a diameter of 10 feet. What is the area of the circle?
What is 78.5 square feet.
500
A circle is not a polyhedron because it is not ______________
What is 3-dimensional.
500
A semicircle has a diameter of 9 feet; what is it's radius?
What is 4.5 feet.
500
A semicircle has a radius of 5.5 cm; what is its diameter?
What is 11 cm.
500
A circle has a Circumference of 28.26 mm. What is it's diameter?
What is 9 mm
500
A circle has an area of 50.24 square centimeters. What is the radius?
What is 4cm