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Angles
More Angles +
Triangles
Properties/Rules
Miscellaneous
100
An angle that measures 90 degrees.
What is a right angle?
100
In a right triangle the side opposite the right angle.
What is hypotenuse?
100
A triangle with three acute angles.
What is an acute triangle?
100
A rule accepted without proof.
What is a postulate?
100
The distance around a two dimensional figure.
What is perimeter?
200
An angle that measures between 0 and 90 degrees
What is an acute angle?
200
Two angles whose measures have the sum 90 degrees.
What are complementary angles?
200
A triangle with three congruent sides.
What is an equilateral triangle?
200
The property that states something equals itself; a=a.
What is reflexive?
200
Two lines that are co-planar and do not intersect.
What is parallel?
300
An angle that measures 180 degrees.
What is a straight angle?
300
Two angles with a common vertex and side but no common interior points.
What are adjacent angles?
300
A triangle with one obtuse angle.
What is an obtuse triangle?
300
The property that states if a=b then b =a.
What is symmetric?
300
Number of square units inside a two dimensional figure.
What is area?
400
Two angles whose sides form two pairs of opposite rays.
What are vertical angles?
400
A triangle with three congruent angles.
What is equiangular?
400
A triangle with at least two congruent sides.
What is an isosceles triangle?
400
A true statement that must be proven.
What is a theorem?
400
A segment whose endpoints are the center of the circle and point on the circle.
What is radius?
500
Adjacent angles whose non-common sides are opposite rays.
What is a linear pair?
500
Two angle whose sum is 180 degrees.
What are supplementary angles?
500
A triangle with no congruent sides.
What is a scalene triangle?
500
The property that allows you to remove one quantity and replace it with an equal quantity.
What is substitution?
500
Statement formed by switching the hypothesis and the conclusion of a conditional statement.
What is the converse?