Show:
Points and Lines
Angle Measure and Special Angles
Polygons and Lines
Triangles
Grab Bag!
100
Has no dimension, but marks an exact location.
What is a point?
100
Angles that share a line and a vertex.
What are adjacent angles?
100
A plane figure formed by joining 3 line segments at their endpoints.
What is a triangle?
100
A triangle with 3 congruent sides and 3 congruent angles.
What is an equilateral triangle?
100
A parallelogram with 4 right angles.
What is a rectangle (or a square)?
200
Part of a line with one endpoint.
What is a ray?
200
Congruent angles formed by intersecting lines. They lie opposite each other.
What are vertical angles?
200
Line segments that have the same length.
What are congruent line segments?
200
A triangle with exactly two congruent sides.
What is an isosceles triangle?
200
A parallelogram with 4 congruent sides but no right angles.
What is a rhombus?
300
Formed by two rays that have the same endpoint.
What is an angle?
300
An angle that measures larger that 180 degrees and less than 360 degrees.
What is a reflex angle?
300
Two rays that meet at a common vertex.
What is an angle?
300
A triangle with no congruent sides and no congruent angles.
What is a scalene triangle?
300
Congruent angles formed by parallel lines cut by a transversal, which lie inside the parallel lines on opposite sides of the transversal.
What are alternate interior angles?
400
Lines that cross each other.
What are intersecting lines?
400
Angles that have a sum of 90 degrees.
What are complementary angles?
400
A polygon with 6 sides.
What is a hexagon?
400
This right triangle has 2 congruent angles. The congruent angles measure________________ degrees.
What is 45 degrees?
400
Congruent angles formed by parallel lines cut by a transversal, which lie outside the parallel lines on opposite sides of the transversal.
What are alternate exterior angles?
500
Lines that cross each other to form 90 degree angles.
What are perpendicular lines?
500
Angles that have a sum of 180 degrees.
What are supplementary angles?
500
A polygon with 5 sides.
What is a pentagon?
500
Two congruent triangles are formed by drawing a diagonal in a parallelogram. The sum of the measure of all of the angles formed is_______________
What is 360 degrees?
500
The two properties that define a trapezoid.
What are: 1. Exactly one set of parallel sides 2. 4 sides