Angles/
Measurements
Measurements
An angle whose measurement is 90 degrees
What is a right angle
A continuous straight figure
What is a line?
A one-dimensional object that defines a single location
What is a point?
A point in the middle of a circle
What is the center of a circle?
This is a three-sided figure
What is a triangle?
An angle whose measurement is less than 90 degrees
What is an acute angle?
A finite straight figure
What is a segment?
A point in the middle of a segment.
What is a midpoint?
A specific outside layer from one point to another point
What is an arc?
This three-sided figure has equal side lengths
What is an equilateral triangle?
An angle whose measurement is more than 90 degrees
What is an obtuse angle?
A straight figure that has one endpoint and one continuous end
What is a ray?
The point where two rays or two lines meet.
What is a vertex?
A segment from the center to the edge of a circle
What is the radius?
This three-sided figure has two congruent sides and two congruent angles.
What is an isosceles triangle?
An angle whose measurement is 180 degrees
What is a straight angle?
A figure formed by two rays or two lines that share a common endpoint
What is an angle?
A point or angle on the inside of a figure
What is interior?
A segment from one edge to another and passes through the center of a circle
What is a diameter?
This three-sided figure does not have any congruent sides or congruent angles?
The number of degrees in a triangle
What is 180 degrees?
A flat two-dimensional surface defined by three non-collinear points.
What is a plane?
A point or angle on the outside of a figure
What is exterior?
What is 360 degrees?
This is a vague term for a four-sided figure
What is a quadrilateral?