Show:
Lines
Classify Angles
Angle Pairs
Shapes
Angle Sums
100
Lines that never touch
What are parallel lines?
100
An angle whose measure is less than 90 degrees.
What is an acute angle?
100
these angles share a common vertex and are equal.
What are vertical angles?
100
a 3 sided closed figure
What is a triangle?
100
The sum of the interior angles of a triangle
What is 180 degrees?
200
lines that cross.
What are intersecting lines?
200
an angle whose measure is greater than 90 degrees
What is an obtuse angle?
200

When 2 parallel lines are cut by a transveral, these angles are in the same relative location and they are equal.

What are corresponding angles?

200

A 6 sided closed figure

What is a hexagon?

200

The sum of the interior angles of a 4 sided figure

What is 360 degrees

300
Lines that intersect to form right angles.
What are perpendicular lines?
300
an angle whose measure is equal to 180 degrees
What is a straight angle?
300

When two angles sum to 90 degrees.

What are complementary angles?

300

An 8 sided closed figure

What is an octagon?

300
The sum of the interior angles of a pentagon
What is 540 degrees.
400

A lines that intersects two parallel lines.

What is a transversal?

400
A tool used to measure the degree of an angle
What is a protractor?
400

Two angles that add to 180 degrees

What are supplementary angles?

400

A triangle whose sides follow the equation a2+b2=c2

What is a right triangle

400
The sum of the interior angles of a hexagon
What is 720 degrees?
500
A straight line which links two points without extending beyond them
What is a line segment?
500
an angle whose measure is equal to 90 degrees
What is a right angle?
500

When 2 parallel lines are cut by a transveral, these angles are inside the parallel lines and on opposite sides of the transversal and they are equal

What are alternate interior angles?

500

A shape where every point is the same distance from the "center" point.

What is a circle

500

The sum of the interior angles of an octagon

What is 1080 degrees?