What is a triangle with 3 acute angles called?
Acute triangle.
What type of angle measures 90 degrees?
Right Angle
Describe parallel lines
Lines that never meet/ intersect
These quadrilaterals have 2 pairs of parallel sides. (List all)
Parallelograms, rectangles, rhombuses, and squares
What is a triangle with 1 right angle called?
Right Triangle
What type of angle is this angle?

Obtuse
Lines that intersect and form 90 degree angles
Perpendicular lines
These quadrilaterals have 1 pair of parallel sides and 1 pair of non-parallel sides.
Trapezoids
What is this triangle called?

Acute Triangle
What type of angle measures 180 degrees
Straight Angle
Parallel lines cross at a 90 degree angle - True or False?
False
These quadrilaterals have 4 sides that are the same size.
There are 2
squares and rhombuses
A triangle has at least _____ acute angles?
2
What type of angle is this?

Acute Angle
What type of lines cross, but do not create a 90 degrees angle?
What classification can we give to all quadrilaterals that have four right angles?
Square or Rectangle
Square or Rectangle
What type of triangle has two acute angles and one obtuse angle?
Obtuse Triangle
What makes up an angle?
Two rays that share a common endpoint
True or False- All shapes have perpendicular and parallel lines
False
How many sides are the same length in a rhombus?
4