Polygons
This polygon has 4 sides and 4 angles
What is a quadrilateral?
This angle can look like an L
What is a right angle?
This is a polygon with 3 sides and 3 angles.
What is a triangle?
This quadrilateral has 4 right angles and opposite sides are equal
What is a rectangle?
This is a line that has a start point but no end point
What is a ray?
This polygon has 5 sides and 5 angles.
What is a pentagon?
This angle measures exactly 90 degrees.
What is a right angle?
This triangle has one right angle and two acute angles.
What is a right triangle?
This quadrilateral has 4 congruent (equal) sides
What is a rhombus?
This is a piece of a line
What is a line segment?
This polygon has 6 sides and 6 angles.
What is a hexagon?
This angle measures between 0 degrees and 90 degrees
What is an acute angle?
This triangle has 1 obtuse angle and 2 acute angles.
What is an obtuse triangle?
This quadrilateral has 2 pairs of parallel sides.
What is a parallelogram?
This is a pair of lines that are always the same distance apart and never cross
What are parallel lines?
This polygon has 8 sides and 8 angles.
What is an octogon?
This angle measures between 90 degrees and 180 degrees.
What is an obtuse angle?
This triangle has 3 acute angles, and the measure of all the sides and angles is equal
What is an equilateral triangle?
This quadrilateral has 1 pair of parallel sides.
What is a trapezoid?
This is a pair of lines that meet at one point
What are intersecting lines?
This polygon has 10 sides and 10 angles.
What is a decagon?
This angle measures exactly 180 degrees
What is a straight angle?
This is the least number of acute angles found in every triangle in the universe
What is 2?
Explain why a square is a (1) polygon?
(2)A quadrilateral?
(3)A rectangle?
(4)A rhombus?
(5)A parallelogram
(1) A closed figure made with straight sides
(2) A polygon with 4 sides and 4 angles
(3) A quadrilateral with 4 right angles
(4) A quadrilateral with equal sides
(5) A quadrilateral with 2 pairs of parallel sides
This is a pair of lines that make right angles where they meet
What are perpendicular lines?