It's name comes from the fact that both pairs of opposite sides are parallel.
What is a parallelogram?
"Run. Run away and never return."
Who is Scar?
The same number can be added to both sides of an equation.
What is Addition (Property of Equality)
It is known for its rotten egg smell.
What is Sulfur?
It's the smallest prime number.
What is 2?
It has the properties of both a rhombus and a rectangle.
What is a square?
"Don't ever ask to leave this tower again."
Who is Mother Gothel?
Any segment or angle is congruent to itself.
What is Reflexive (Property of Congruence)
Highly reactive on its own, it combines with poisonous chlorine to form table salt.
What is Sodium?
This word describes the relationship between 2/5 and 5/2.
What is a Reciprocal?
It has exactly one pair of parallel sides.
What is a trapezoid?
"Now you know how it feels to be like everyone else. Isn't it just peachy?"
Who is Hades?
If two lines intersect, the opposite angles sharing a vertex at the intersection are congruent.
What is Vertical Angle (Theorem)?
A "valley" region in California was named for this element, used to create microchips.
What is Silicon?
Half of a third of a quarter.
What is one twenty-fourth?
Consecutive angles in a parallelogram have the property of always being this.
What is supplementary?
"Life's full of tough choices, innit?"
Who is Ursula?
If two values are equal, they can be freely interchanged with each other.
What is Substitution (Property of Equality)
Its atomic symbol is Ag.
What is Silver?
The written name of every odd number shares this letter of the alphabet, which is also a constant in mathematics.
What is e?
This word describes the diagonals of squares, kites, and rhombi.
What is perpendicular?
"By building his wall, he challenged my strength. Well, I'm here to play his game."
Who is Shan-Yu?
If a = b, and b = c, then a = c.
This element was named for the Greek goddess of the moon.
What is Selenium?
5!
What is 120?