Classifying Angles, NOW!
Triangles, or Else...
Fill In the Blank
|| lines (that's Parallel, silly)
Mix Bag Questions
100

An angle that is greater than 90 degrees and less than 180 degrees

What is an obtuse angle?

100
2 triangles that have the same angle measures
What are similar triangles?
100

The ___________ _______________ of a triangle is equal to the sum of the two remote interior angles?

What is an exterior angle?

100
Angles that are in the same relative place along different parallel lines
What are corresponding angles?
100

The sides of a triangle are 10, 8, and 15.  Classify the triangle by sides.

What is scalene?

200
2 angles that have the same measure
What is congruent angles?
200
A triangle that has a 90 degree angle
What is a right triangle?
200

If a triangle is equilateral, then it is ____________.

What is a equiangular?

200
4 angles that are formed on the inside of 2 parallel lines cut by a transversal
What are interior angles?
200

The word 'Geometry' is a Greek word that means this..



What is ‘Geo’ meaning ‘Earth’ and ‘Metry meaning ‘Measure’, The measurement of Earth?

300
2 angles that have a sum of 90 degrees
What are complementary angles?
300
A triangle that has all angles that are less than 90 degrees
What is an acute triangle?
300

For any isosceles triangle, you have two congruent sides that are called _______________.

What is legs?

300

4 angles that are formed on the outside of 2 parallel lines cut by a transversal

What are exterior angles?

300

This formula is used to solve for this type of triangle.


What is the Pythagoras theorem a² + b² = c² and right triangles?

400
2 angles that have a sum of 180 degrees
What are supplementary angles?
400
A triangle that has 3 congruent sides?
What is an equilateral triangle?
400

The sums of the length of any two sides of a triangle must be ____________ than the length of the third side. 

What is a greater?

400

Lines in the same plane that intersect at right angles

What are perpendicular lines?

400


What is line a and line b?

500
2 congruent angles that are opposite angles formed by 2 intersecting lines
What are vertical angles?
500

A triangle that has 2 congruent sides

What is an isosceles triangle?

500

The least possible integer measure of two sides of a triangle with sides 5 and 9 is ____________.


What is 5?

500
A line that intersects 2 or more lines
What is a transversal?
500

What is the measure of angle AJH? Explain why.

What is 117 because it is the sum of opposite interior angles.