Triangles
Missing Angles
Angles
Vocabulary
Test your knowledge
100
The type of triangle with all sides congruent and all angles 60 degrees.
What is equilateral triangle.
100
What is missing angle C?
What is 50 degrees?
100
An angle greater than 90 degrees and less than 180 degrees.
What is obtuse?
100
Means "the same length or same size"
What is congruent?
100
Give the sum of the interior angles of a triangle.
What is 180 degrees?
200
The type of triangle with no congruent sides.
What is scalene triangle?
200
what is missing angle D?
What is 95 degrees?
200
An angle that is 180 degrees.
What is a straight angle?
200
Two angles whose sum is 180 degrees.
What are supplementary angles?
200
What type of triangle is this? (based on sides)
What is Scalene?
300
The type of triangle with one angle greater than 90 degrees.
What is an obtuse triangle?
300
what is missing angle X?
What is 145 degrees?
300
An angle less than 90 degrees.
What is an acute angle?
300
Two angles who sum is 90 degrees
What are complementary angles?
300
What type of triangle is this? (based on sides)
What is isosceles triangle?
400
The type of triangle with one 90 degree angle and two congruent sides.
What is a right isosceles triangle?
400
What are the missing angles?
what is all 60 degrees?
400
90 degree angle.
What is a right angle?
400
Two lines that never meet and are always the same distance apart.
What is parallel lines?
400
What type of triangle is this? (Based on sides and angles)
What is an acute scalene triangle?
500
A triangle with three angles less than 90 degrees.
What is an acute triangle?
500
What is the missing angle?
What is 80 degrees?
500
More than 180 degrees.
What is a reflex angle?
500
Any point that helps form an angle. It is created by the intersection of two lines, segments, rays or edges.
What is vertex?
500
What type of triangle is this? Based on both sides and angles?
What is a right scalene triangle?