Angles
Complementary angles are both acute
Always
Intersecting lines are perpendicular
Sometimes
A square is a rectangle
Always
A rectangle can have angles of 60, 60, 120, and 120 degrees
Never
Supplementary angles are made of two right angles
Sometimes
A square is a rhombus
Always
Complementary Angles are congruent
Sometimes
Parallel line segments are congruent
Sometimes
A rectangle is a square
Sometimes
A trapezoid has a 90 degree angle
Sometimes
The sum of a right angle and an acute angle is 180 degrees
Never
A regular polygon is equilateral
Always
Complementary angles are adjacent
Sometimes
A straight line has a measure of 180 degrees
Always
A trapezoid is a parallelogram
Never
A trapezoid has 1 pair of parallel lines
Always
Vertical angles are congruent
The angles of a rectangle are congruent
Always
Two complementary angles form an obtuse angle
Never
A square has 4 lines of symmetry
Always
A right triangle can be an equilateral triangle
Never
A triangle has a total interior angle measure of 180 degrees
Always
Vertical angles have a common vertex
Always
A triangle can have 2 obtuse angles
Never
The measure of two supplementary angles is equal
Sometimes
The diagonals of a square are the same as the side lengths
Never
A rhombus is a square
Sometimes
An equiangular shape is a regular figure
Sometimes
Right angles measure 90 degrees
Always
A right triangle also contains two acute angles
Always
Two right angles are supplementary
Always
The diagonals of a square form right isosceles triangles
An isosceles triangle has two congruent sides
The sum of 2 sides of a triangle is greater than the 3rd side
Always
A straight angle measures 180 degrees
Always
An obtuse triangle is scalene
Sometimes
Supplementary angles are adjacent
Sometimes
Sometimes
An equilateral triangle is equiangular
Always
All equilateral triangles are similar
Always
Vertical Angles are right
Sometimes
All squares are similar
Always
Vertical angles are supplementary
Sometimes
Opposite sides of a rectangle are congruent
Always
A square is a regular polygon
Always
A square is a regular polygon
Always
Vertical angles are acute
Sometimes
Quadrilaterals have 4 sides
Always