This is a closed shape with 3 or more straight sides.
What is a POLYGON?
This angle is exactly 90o.
What is a RIGHT angle?
The number of sides a triangle has.
What is 3?
The number of sides a quadrillateral has.
What is 4?
These lines meet at a 90o angle.
What are PERPENDICULAR lines?
2 shapes that have the exact same size and shape.
What is CONGRUENT?
This angle is 91o - 179o
What is an OBTUSE angle?
A triangle with 2 sides that are the same length.
What is an ISOSCELES triangle?
This quadrilateral has 4 sides of equal length AND 4 right angles.
What is a SQUARE?
These lines never meet.
What are PARALLEL lines?
A polygon with 4 sides.
What is a QUADRILATERAL?
This angle is 1o - 89o
What is an ACUTE angle?
A triangle with all sides the same length?
What is an EQUILATERAL triangle?
This quadrilateral has 2 pairs of parallel lines, but NO right angles.
What is a RHOMBUS?
Corner(s) where 2 lines meet.
What is a VERTEX (VERTICES)?
A polygon with 3 sides.
What is a TRIANGLE?
This angle is 180o.
What is a STRAIGHT angle?
This triangle has one 90o angle.
What is a RIGHT triangle?
This quadrilateral has one set of parallel lines.
What is a TRAPEZOID?
Name 2 quadrillaterals.
What are RECTANGLE, SQUARE, RHOMBUS, TRAPEZOID?
The number of dimensions a polygon has.
What is 2?
Angles that are the exact same size.
What are CONGRUENT angles?
A triangle with no sides the same length.
What is a SCALENE triangle?
Why isn't a circle a quadrilateral?
What is 0 STRAIGHT LINES or NOT 4 SIDES?
Name 2 attributes of a polygon.
What is CLOSED, STRAIGHT LINES, 3+ SIDES?