Lines
Angles
Triangles
Quadrilaterals
Circles
100

Two lines that are the same distance apart and will never meet

What are parallel lines?

100

Any 90 degree angle.

What is right angle?

100

A triangle that has three sides of the same length

What is equilateral?

100

This is the number of sides on a quadrilateral

What is 4?

100

A chord that contains the center

What is a diameter?

200

lines that intersect to form a right angle

What are perpendicular lines?

200

An angle that is less than 90 degrees

What is an acute angle?

200

A triangle with two sides of the same length

What is isosceles?

200

The sum of all the interior angles in any quadrilateral

What is 360 degrees?

200

An angle with vertex at the center of the circle

What is a central angle?

300

A piece of a line w/ one endpoint and continues in one direction forever

What is a ray?

300

An angle that is greater than 90 degrees

What is an obtuse angle?

300

A triangle with one angle greater than 90 degrees

What is obtuse triangle?

300

A quadrilateral with 4 right angles

What is rectangle?

300

A line that intersect a circle at two points

What is secant line?

400

This is piece of a line with two endpoints

What is a line segment?

400

Two angles whose sum is 90 degrees.

What is complementary angles?

400

A triangle with three sides that are different lengths

What is scalene?

400

A quadrilateral with 4 congruent sides

What is a rhombus?

400

A piece of the circumference of the circle.

What is an arc?

500

A line or a piece of a line that divides an angle or a line segment into two congruent angles or congruent segments.

What is a bisector?

500

Two adjacent angles whose non-adjacent sides form a straight line.

What is a Linear Pair?

500

The sum of all interior angles in any triangle

What is 180 degrees?

500

A quadrilateral with only one pair of opposite sides parallel

What is a trapezoid?

500

An area bounded by two radii and an arc?

What is sector?