Angles
Triangles
Quadrilaterals
Degrees
Geometry Definitions
100
An angle is formed by two types of lines.
What are rays?
100
A figure formed by three line segments.
What is a triangle?
100
Name a four-sided figure with 4 right angles and 4 sides of equal length.
What is a square?
100
Name the number of degrees in each angle of an equilateral triangle.
What are 60 degrees in each angle?
100
Name a collection of many points.
What is a line ?
200
This tool is used to draw and measure angles.
What is a protractor?
200
This kind of a triangle has one obtuse angle.
What is an obtuse triangle?
200
Name a four-sided figure with only two pairs of parallel sides.
What is a parallelogram?
200
Find the other degrees in this isosceles triangle if one angle has 50 degrees and the other angle has 80 degrees.
What are 50 degrees?
200
This part of a line has two end points.
What is a line segment?
300
Name this type of angle when the sum is exactly 180 degrees.
What is a supplementary angle?
300
This kind of triangle has one right angle.
What is a right triangle?
300
I am a parallelogram with only four sides of equal length.
What is a rhombus?
300
In an acute triangle - one angle has 80 degrees, one angle has is 40 degrees, and name the third angle.
What are 60 degrees?
300
This part of a line has one endpoint and extends without end in one direction.
What is a ray?
400
These special angles have a sum of 90 angles.
What are complementary angles?
400
This kind of triangle has three acute angles.
What is an acute triangle?
400
I am a parallelogram with four right angles and two sets of parallel lines.
What is a rectangle?
400
Name the largest number of degrees in a right triangle.
What are 90 degrees?
400
This is a flat surface that extends without end.
What is a plane?
500
These angles are opposite to each other and have the same number of degrees.
What are vertical angles?
500
The number of degrees found in a scalene triangle.
What are 180 degrees?
500
Name a special quadrilateral that only has one pair of parallel lines.
What is a trapezoid?
500
Find the missing degrees in a triangle,if one angle is 46 degrees and the other angle is 30 degrees.
What are 104 degrees?
500
These are types of lines that will never meet.
What are parallel lines?
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