Angles
An angle whose measure is between 0 and 90 degrees.
What is
This theorem can be used to find the length of a missing side in a right triangle.
What is the Pythagorean Theorem?
This object is one-half of the diameter.
What is the radius?
A polygon that has six sides.
What is a hexagon?
This is a ratio that is opposite/hypotenuse.
What is sine?
An object that divides an angle into two congruent angles.
What is an angle bisector?
A triangle that has all equal angles.
What is an equiangular triangle?
An angle located within a circle whose vertex is on the circle.
What is an inscribed angle?
What is a quadrilateral?
This concept is represented by the letter m.
What is slope.
The sum of these two angle measures is 180 degrees.
What are supplementary angles?
A triangle that has no congruent sides.
What is a scalene triangle?
An angle located within a circle whose vertex is located at the center of the circle.
What is a central angle.
This is a polygon that has nine sides.
What is a nonagon?
This irrational number has an approximate value of 3.14159...
What is Pi?
Two angles that share a common side and a common vertex.
What are adjacent angles?
What point of concurrency is found at the intersection of 2 or more perpendicular bisectors within a triangle?
What is the circumcenter?
This is half a circle.
What is a semicircle?
This is object has one endpoint and goes on forever in one direction.
What is a ray?
A polygon that has both equal sides and equal angles.
What is a regular polygon?
These are two interior angles of a triangle that are located away from a specified exterior angle.
What are remote interior angles?
This point of concurrency is the center of mass withing a triangle.
What is a centroid?
These are the formulas for the area and circumference of a circle.
Pi*r^2
2*Pi*r
This is a flat surface that extends forever and has no thickness.
This can be found by averaging the x values and averaging the y values.
What is the midpoint?