Angles
Angle that is exactly 90 degrees
Right
A triangle with no equal sides
Scalene
True or False: A circle is a polygon?
True
True or False: a rhombus is a rectangle
False
2 lines that never touch and remain the same distance apart
Parallel lines
Angle that is greater than 90 degrees
Obtuse
A triangle with at least 2 equal sides
Isosceles
True or False: a hexagon is a polygon
True
Name the attributes of a square
quadrilateral, parallelogram, 4 right angles, congruent sides, rhombus, rectangle, polygon
2 lines that intersect to form a right angle
Perpendicular lines
Angle that is less than 90 degrees
Acute
A triangle with all equal sides
Equilateral
Definition of a polygon
closed figure with at least 3 straight sides
True or False: a trapezoid is a parallelogram
False
a quadrilateral with one pair of parallel sides
Trapezoid
All angles add up to this in a triangle
180 degrees
The term used to describe equal sides
congruent
A polygon with 9 sides
Draw the hierarchy for triangles
drawing
A quadrilateral with two pairs of parallel sides
parallelogram
Each angle measure of an equilateral triangle
60 degrees
Three ways to name a triangle with all equal sides and angles
Acute, equilateral, and isosceles
A polygon with 7 sides
Heptagon
Draw the hierarchy of quadrilaterals
drawing
a characteristic
attribute