Show:
Types of Lines
Angles
Types of Triangles
Polygons
Quadrilaterals
100
Part of a line having two endpoints
What is a line segment?
100
An angle whose measure is 90 degrees?
What is a right angle?
100
A triangle whose sides all have the same length.
What is an equilateral triangle?
100
This polygon has three sides.
What is a triangle?
100
Both pairs of the opposite sides are parallel.
What is a parallelogram?
200
Part of a line that has one endpoint and extends forever in one direction.
What is a ray?
200
An angle whose measure is between 0 and 90 degrees?
What is an acute angle?
200
This triangle has two sides that are congruent.
What is an isosceles triangle?
200
This polygon has four line segments.
What is a quadrilateral?
200
A parallelogram that has four right angles.
What is a rectangle?
300
Lines that pass through the same point.
What are intersecting lines?
300
An angle whose measure is between 90 and 180 degrees.
What is an obtuse angle?
300
This triangle has a 90 degree angle.
What is a right triangle?
300
This polygon has six sides.
What is hexagon?
300
A parallelogram in which all sides are congruent.
What is rhombus?
400
In a plane, lines that never cross and stay the same distance apart.
What are parallel lines?
400
Two rays that have the same endpoint.
What is an angle?
400
This triangle has an angle that is larger than 90 degrees.
What is an obtuse angle?
400
This polygon has 5 line segments.
What is a pentagon?
400
A rectangle in which all sides are congruent.
What is a square?
500
Two lines that intersect to form right angles.
What are perpendicular lines?
500
A unit of measure for angles?
What are degrees?
500
A triangle in which no sides are congruent.
What is a scalene triangle?
500
This polygon has eight sides.
What is an octagon?
500
This quadrilateral has exactly one pair of parallel sides.
What is trapezoid?