Notation
Definitions
Postulates and Definitions Part 2
Prior Knowledge
Proofs
Fun Category
100
Name a vertex in this photo.
N, I, L, or E.
100
What does it mean if a triangle is isosceles?
At least 2 of the sides are equal.
100
What is the nickname for Postulate 8?
S.A.S. Postulate
100
What is the relationship between vertical angles?
They are equal.
100
In this proof example, what would be the first statement we would make?
∠LBG = ∠BGU
100
As of 2026, over 30 U.S. states have enacted new legislation or strict policies regarding the use of these devices within school buildings to combat "mindless scrolling" and distractions.
Cellphones.
200
What can you conclude from this photo?
∠A = ∠H
200
What does an obtuse triangle mean?
One angle in a triangle is bigger than 90° but smaller than 180°.
200
What is the nickname for Postulate 9?
A.S.A. Postulate.
200
What does N-I-L mean?
I is in between N and L.
200
What were one of the two ways we proved triangles to be congruent?
S.A.S. postulate or A.S.A. postulate.
200
Starting June 11, 2026, this massive sporting event will be hosted across 16 cities in the U.S., Canada, and Mexico, featuring a record-breaking 48 teams.
The FIFA World Cup.
300
What can you conclude from this photo?
PE = EA
300
What is a triangle called if all the sides are equal?
An equilateral triangle.
300
What does S.A.S. or A.S.A. prove?
It proves that two triangles are congruent.
300
The midpoint of a line segment divides...?
... it into two equal segments.
300
When performing proofs, which part of the conditional statement (if a, then b) is used as the "given" information? *Double points if you can name the parts correct name*
Part a, or the hypothesis.
300
This 39th U.S. President, known for his humanitarian work with Habitat for Humanity and his Nobel Peace Prize, passed away in late 2025 at the age of 100. He was also known as the "Peanut Farmer".
Jimmy Carter
400
Correctly name the large triangle so that it represents an animal.
△BAT
400
What does it mean if a triangle is scalene?
None of the sides are equal.
400
When a triangle is Equilateral, what else is it always?
Equiangular
400
If a ray bisects an angle, it...?
... divides it into two equal angles.
400
When performing proofs, which part of the conditional statement (if a, then b) is the part that is trying to be "proved"? *Double points if you can name the parts correct name*
Part b, or the conclusion.
400
In 2025, this digital asset reached an all-time high of over $120,000, fueled in part by a shift in U.S. regulatory policy and its embrace by the "Crypto President."
Bitcoin.
500
What does this symbol mean?
\(\cong \)
Congruent
500
What does congruent mean?
Two polygons are congruent iff there is a correspondence between their vertices such that all of their corresponding sides and angles are equal.
500
In our chart with Scalene, Isosceles, Equilateral and Acute, Right, and Obtuse, which combination is not possible?
Equilateral Right or Equilateral Obtuse.
500
When you have N-I-L (I is in between N and L) what can you conclude about those 2 segments?
They form a straight line.
500
What property is it called when you see a statement like AB=AB?
The reflexive property.
500
On April 10, 2026, this NASA mission successfully splashed down in the Pacific Ocean after a 10-day journey, marking the first time humans have traveled to the Moon and back in over 50 years.
Artemis II