Vocab to know the Vocab
The same size, the same measure.
What is congruent?
Two rays that come together at a common end point.
What is an angle?
The distance around a circle.
What is circumference?
Non-overlapping angles formed by intersecting lines, they are congruent.
What are vertical angles?
Angles that lie inside parallel lines and on the same side of a transversal.
What are same side interior angles?
The measure of the amount of space a solid figure occupies.
What is volume?
An angle that measures less than 90 degrees.
What is an acute angle?
The distance across a circle through its center.
What is diameter?
Angles that lie on the same side of the transversal and same side of a parallel line.
What are corresponding angles?
Two angles whose measures have a sum of 90 degrees.
What are complementary angles?
The figure created when a plane is sliced through a solid figure.
What is cross section?
An angle that measures 90 degrees.
What is a right angle?
The distance from the center of a circle to any point on the circle.
What is radius?
Angles that lie inside parallel lines and on opposite sides of a transversal.
What are alternate interior lines?
Angles that lie outside a pair of lines and on opposite sides of a transversal.
What are alternate exterior angles?
The sum of the areas of the faces, or surfaces, of a three-dimensional figure.
What is surface area?
Two angles whose sum is 180 degrees.
What are supplementary angles?
Lines that cross and form four 90-degree angles.
What are perpendicular lines?
Angles that lie outside parallel lines and on the same side of a transversal.
What are same side exterior angles?
Angles that have a common side and a common vertex (corner point).
What are adjacent angles?
A line that intersects two or more lines.
What is a transversal?
An angle that measures more than 90 degrees but less than 180 degrees.
What is an obtuse angle?
Angles that lie on the same side of the transversal and same side of a parallel line.
What are corresponding angles?
an angle on the inside of a polygon formed by the two sides of the polygon and the vertex of the polygon.