An angle less than 90 degrees
What is an acute angle?
Thales measured the height of a pyramid using this.
What is a shadow?
This is any 3-sided polygon.
What is a triangle?
This ratio is associated with circles.
What is Pi (3.14)?
The part of an expression represented by a letter (usually an "X").
What is a variable?
An angle equal to 90 degrees.
What is a right angle?
This mathematician built a complex clock by carving the pieces out of wood.
Who is Benjamin Banneker?
A polygon with equal sides and equal angles.
What is a regular polygon?
This ratio is known as the Golden ratio.
What is Phi (1.618)?
The name of the data set on the X-axis.
What is the domain?
An angle greater than 90 degrees but less than 180 degrees.
What is an obtuse angle?
He is the father of mathematics and music.
Who is Pythagoras?
Any 8-sided polygon.
What is an octagon?
This ratio has 100 for the denominator.
What is a percent?
An algebra problem without an equal sign.
What is an expression?
A tool used to measure angles.
What is a protractor?
This mathematician is remembered for discovering the sections of a cone.
Who is Hypatia?
This is a polygon made up of smaller polygons.
What is a composite polygon?
A ratio written top to bottom rather than left to right.
What is a fraction?
An algebra problem with < or >.
What is an inequality?
An angle equal to 180 degrees.
What is a straight angle?
Archimedes submerged this underwater for the King.
What is a crown?
Any 10-sided polygon.
What is a decagon?
The simplified ratio for 80:48:32.
What is 5:3:2?
An algebra problem where "X" goes in (input) and "Y" comes out (output).
What is a function?