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Types of Angles
Guess my Polygon!
Triangles
Angle Measures
Do you know?
100
An angle that has a measure under 90 degrees
What is an acute angle?
100
I am a regular polygon. I have two pairs of parallel lines. I have four congruent angles. I have four congruent sides.
What is a square?
100
A triangle with three congruent sides and three congruent angles. *Point to one on your geometry template.
What is an equilateral triangle?
100
The degrees in the angle formed by a straight line.
What is 180 degrees?
100
Another name for a 90 degree angle.
What is a right angle?
200

Angles that are opposite from each other.

What are vertical angles

200
I am a polygon. The sum of my angles is 180 degrees. I have three angles.
What is a triangle?
200

A triangle that has no congruent sides or angles.

What is a scalene triangle?

200
The degrees in a circle.
What is 360 degrees?
200
A tessellation is made up of squares and triangles. This is a ___________ tessellation.
What is a semi-regular tessellation?
300

Angles that are side by side and share a vertex and line segment. 

What are adjacent angles? (your teacher will check your examples)

300

I am a regular polygon. I have 4 pairs of parallel sides. At least one of my angles is obtuse. At least 2 angles are congruent

What is a (regular) octagon?

300
Explain one way an isosceles triangle and a scalene triangle are different.
What is (SAMPLE ANSWERS) *An isosceles triangles has at least 2 congruent sides. *A scalene triangle has no congruent sides.
300
There are three adjacent angles (side by side) on a straight angle. One angle is 60 degrees, another angle is 50 degrees. The last angle is____
What is 70 degrees?
300

Rise over Run is commonly used to refer to this formula?  

What is slope. 

400

An angle that is larger than 180 degrees but smaller than 360 degree

What is a reflex angle?

400
I am a polygon with two pairs of parallel sides. I have no right angles. I have two pairs of congruent angles. I have two pairs of congruent sides.
What is a rhombus?
400
Explain one way an isosceles triangle and a scalene triangle are the same.
What is (SAMPLE ANSWERS) *They both have three sides. *They both have three angles. *The sum of their angles is 180 degrees.
400
The sum of the degrees in a pentagon. *Be able to explain (orally) how you found your answer.
What is 540 degrees?
400
A repeated pattern of closed shapes that completely cover a surface so that no shapes overlap and no gaps exist between the shapes.
What is a tessellation?