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
What type of triangle have 3 equal sides?
Equilateral Triangle
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
What type of triangle has NO equal sides?
Scalene Triangle
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
Draw an equilateral triangle on your whiteboard. What type of lines, sides, and angles does this triangle have.
Equilateral tringles have intersecting lines, 3 equal sides, and all acute angles.
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?
Draw the triangle described below.
I have three sides and three angles. One of my angles is a obtuse angle and two are acute angles. I have no parallel or perpendicular lines, but I do have intersecting lines. All of my sides are different lengths. Who am I?
Obtuse Scalene Triangle
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
Draw the triangle described below.
I have three sides and three angles. One of my angles is a right angle and two are acute angles. I have 1 set of perpendicular lines. Two of my sides are the same length and the last side is longer than the rest. Who am I?
Right Isosceles Triangle