Triangles #1
Triangles #2
Angles #1
Angles #2
Lines
100
The sum total of all angles of a triangle.
What is 180 degrees?
100
A triangle that has two sides of equal length and two equal angles.
What is an isosceles triangle?
100
Angles that, when joined together, form a right angle.
What is a complementary angle?
100
An angle that measures more than 90 degrees but less than 180 degrees.
What is an obtuse angle?
100
Lines that have intersecting sides of a square to form a right angle.
What are perpendicular lines?
200
A triangle that contains one 90 degree angle.
What is a right angle?
200
A polygon that has three sides and three angles/vertices;
What is a triangle?
200
Two rays or line segments that extend from a single point.
What is an angle?
200
An angle that measures more than 180 degrees but less than 360 degrees.
What is a reflex angle?
200
Where one of the lines crosses one of the sides of a square.
What is intersecting lines?
300
A triangle that has three angles that each measure less than 90 degrees.
What is an acute triangle?
300
A triangle that has one angle that measres greater than 90 degrees.
What is an obtuse angle?
300
An angle that measures exactly 90 degrees.
What is a right angle?
300
An angle that measures less than 90 degrees.
What is an acute angle?
300
The lines start and stop in different places.
What are open figures?
400
The sum total of all angles of a triangle.
What is 180 degrees?
400
A triangle that has no sides of equal length and no equal angles.
What is a scalene triangle?
400
Angles that, when joined together, form a straight line.
What is supplementary angle?
400
The point where two rays, lines, or line segments meet.
What is a vertex or (vertices)?
400
Line segments that have the same length.
What is congruent?
500
A triangle that has three equal sides and three equal angles/vertices.
What is an equilateral triangle?
500
A triangle that has two sides of equal length and two equal angles.
What is an isosceles triangle?
500
Angles that, when joined together, form a right angle.
What is complementary angles?
500
An angle that measures exactly 180 degrees.
What is a straight angle?
500
The lines start and stop in the same place.
What is a closed figure?
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