Math 1081
circumference
The distance around a circle is the ______________________.
180*
The sum of the measures of the angles of a triangle is ___________
diameter
A __________________ is a line segment that passes through the center of a circle and has endpoints that lie on the circle.
raduis
A ____________________ is a line segment that goes from the center of a circle to a point on the circle.
chord
A line segment with endpoints that lie on a circle is a ___________________.
vertical
The ____________ line on a coordinate plane plane is called the y-axis
horizontal
The ______________ line on a coordinate plane is called the x-axis
C = πd C = 2πr
The formulas for finding the circumference of a circle are _____________ and ______________.
center
A circle is usually named by its _______________ point.
circle
A closed figure with all its points the same distance from the center is a _____________.
A = πr²
The formula for finding the area of a circle is _____________________.
C = πd
The formula for finding the circumference of a circle when the diameter is known ______________.
C = 2πr
The formula for finding the circumference of a circle when the radius is known is ______________.
one-half or 1/2
The length of a radius is _____________ the length of the diameter
length height width
The three measurements of a solid are _________________________, ______________________, and _________________,
bases
The two parallel and congruent faces of a polyhedron are called __________________.
similar
Two polygons that have the same shape but a different size are _______________ polygons.
congruent
Two polygons that have the same size and shape are ______________________ polygons.