*Angles* & Demons
The *Line*, the Witch, and the Wardrobe
Cast a *Spell*
100
What is an angle of 90º called?
Right Angle
100
What is happening in this picture?
Subtraction
100
A bisector cuts an angel into two equal parts. You need your compass to help you draw one.
"angel" -> angle
200
If an angle is 73º, what is its classification?
Acute
200
Segment AD is the ______ of segments AB and CD.
Sum
200
There are many classifications of angles. For example, you can have an obtuse angle and a cute angle. My favorite angle is probably the right angle.
"a cute" -> acute
300
What is an obtuse angle?
An angle greater than 90º
300
What are the dots on the segment called?
Endpoints
300
Two angles can have relationships with each other (not like a family relationship). Two examples are complementary or suplementary angles.
"suplementary" -> supplementary
400
If the sum of two angles is 90º, what is their relationship?
Complementary
400
What is line m called?
Bisector
400
We can perform many operations on segments. We can add segments together to get the some of two angles. We can even divide or multiply segments.
"some" -> sum
500
Give an example of supplementary angles
Must add to 180º (many correct answers)
(90º, 90º) (100º, 80º) (5º, 175º)
500
What theorem is used here?
Thales Theorem
500
A compass is very useful for drawing an arch.
A protractor is great for measuring angles.
A ruler is essential for measuring segments.
"archs" -> arcs