Two angles whose sum is 90 degrees
Complementary
Two rays with a common endpoint
Angle
Reasoning according to strict principles of validity
Logic
Batman's villain
The Joker
True or False: An obtuse angle is lower than 90 degrees.
False
Less than 90 degrees
Acute
Testable prediction, implied by a theory
Hypothesis
Kermit the Frog's love interest
Mrs. Piggy
Two lines that NEVER intersect
Parallel Lines
More than 90 degrees
Obtuse
Based on evidence and facts
Conclusion
Popular stuffed animals which are now collectibles.
Beanie Babies
Two rays that have a common endpoint and form a line.
Opposite Rays
Less than 180 but higher than 90 degrees
Obtuse
If, then
Conditional Statement
Disney Princess with a pet chameleon.
Rapunzel
A FLAT surface that has no thickness and extends forever.
Plane
Exactly 180 degrees
Straight Angle
An example that uses evidence to prove a theory false
Counterexample
Longest running live-action Disney channel show ending with a total of 106 episodes.
Wizards of Waverly Place