Triangles & Trigonometry
This type of triangle features three sides of completely different lengths.
What is a scalene triangle?
This geometric term describes two lines that cross each other at a right angle
What are perpendicular lines?
This is the mathematical formula used to find the area of a rectangle.
What is length times width?
This is the total number of faces found on a standard cube.
6
What is the distance from the center of a circle to its edge called?
The radius.
This is the exact sum of all interior angles inside any Euclidean triangle.
What is 180
An angle that measures exactly is known by this term.
What is a straight angle?
This is the specific term used for the perimeter of a circle.
What is circumference?
What is the formula for the volume of a rectangular prism?
length x width x height
.
What is the formula used to calculate the area of a circle?
pior2
This famous theorem states that the square of the hypotenuse equals the sum of the squares of the other two sides.
What is the Pythagorean Theorem?
This is the term for two angles whose measurements add up to exactly
.
What are complementary angles?
This formula calculates the exact area of a triangle.
What is half of the base times the height?
What 3D shape has a circular base that tapers to a single point?
A cone
What term describes a straight line that touches a circle at exactly one point?
A tangent line
In a right triangle, this trigonometric ratio is defined as the length of the opposite side divided by the hypotenuse.
What is sine (sin)?
When two parallel lines are cut by a transversal, these internal angles on opposite sides of the transversal are equal.
What are alternate interior angles?
If a circle has a radius of 5 units, this is its exact area written in terms of pi
What is 25pi?
What do you call a solid geometric figure with flat faces, straight edges, and sharp corners?
A polyhedron.
What do you call a line segment whose endpoints both lie on the circle?
A chord.
This specific point represents the intersection of a triangle's three perpendicular bisectors.
What is the circumcenter?
This is the geometric name for a line segment that touches a circle at exactly one point without crossing it.
What is a tangent line?
This mathematical formula calculates the area of a trapezoid.
What is 1/2(b1 +b2 )?
A cylinder has a volume of V=pir2h . What fraction of that volume is a cone with the same radius and height?
One-third (1/3)
What is the mathematical term for the perimeter of a circle?
The circumference.