This type of angle measures exactly 90 degrees
Right angle
A shape with 6 sides and angles.
A hexagon
A polygon with exactly 4 sides and 4 angles.
A quadrilateral
A square, rhombus, trapezoid, and triangle all belong to what group?
Polygon
Bigger than a right angle
A shape with 5 sides and angles.
Pentagon
This quadrilateral has four equal sides and four right angles.
A square
If a rhombus has 2 acute angles, what are the other 2 angles?
Obtuse
Smaller than a right angle
Acute angle
This describes a polygon that has all sides and all angles equal.
regular polygon
This quadrilateral has equal opposite sides and four right angles, but its sides might not be all the same length.
A rectangle
A square and a rectangle are both rhombuses.
True or false?
False
An equilateral triangle has all ___ angles
Acute
A square is also a rhombus.
True or false?
True
This quadrilateral that has only one pair of parallel sides.
A trapezoid
Name a polygon with 2 pairs of parallel lines.
Does a rhombus have acute, obtuse, or right angles?
A rhombus could have acute, obtuse, or right angles!
When two shapes are exactly the same size and shape, they are called this.
Congruent
This quadrilateral has four equal sides, but its angles are not always right angles.
A rhombus
When 2 lines intersect to form a 90 degree angle, the lines are called ___...
Perpendicular lines