Math 1081

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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.


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