Pythagorean Theorem
What is the formula for pythagorean theorem?
a2+b=c2
How do I know that a triangle is a right triangle?
What is the acronym to remember the trig function order?
Soh Cah Toa
What is the formula for the interior angle measures of a polygon?
S = (n - 2) * 180
What is a radius?
A line segment that extends from the edge of the circle to the center of the circle.
If two legs of a triangle are 4 and 3 feet long, how long is the third side?
5 feet
How do you know a triangle can actually be a triangle?
The two smaller side lengths sum must be larger than the third side length.
When solving for the hypotenuse, which trig function would you use if you are given the angle and it's adjacent side length?
Cosine
What is the sum of the exterior angles of a pentagon?
360 degrees
Describe what a minor arc is.
The hypotenuse is always located where?
Across from the 90 degree angle.
In a 45-45-90 degree special right triangle, if one leg is 5 cm, what is the leg and the hypotenuse? Answer in radical form if not a whole number.
The leg is 5 cm and the hypotenuse is 5 times the square root of 2.
When solving for the opposite, which trig function would you use if you are given the angle and it's adjacent side length?
Tangent
What is the measure of each exterior angle of a heptagon?
51.4 degrees
A central angle in a circle is the same as the arc length. True or False
True
If I am sliding down a slide and want to find the length of that, will I be solving for a leg or the hypotenuse?
Hypotenuse
In a 30-60-90 special right triangle, if the hypotenuse is 10 cm, what is the shortest side length?
5 cm
If I am given the hypotenuse and the opposite side lengths, what trig function do I use to find the angle measure?
Inverse of Sine (sin-1)
Both pairs of opposite angles are congruent in which of the following polygons? Name all that apply.
(Square, Rectangle, Rhombus, Kite, Triangle, Parallelogram, Isosceles Trapezoid, Non-Isosceles Trapezoid)
Square, Rectangle, Rhombus, Parallelogram, Isosceles Trapezoid
If the area of a circle is 100 square meters, what is the diameter?
11.29 meters
A TV is advertised for sale by using what length?
The hypotenuse
In a 30-60-90 special right triangle, given the side length opposite of the 60 degrees is 11, what is the shortest side length (opposite the side of the 30 degrees)? Answer in simplest radical form
11 times the square root of 3 over 3
Degree Mode
An interior angle and an exterior angle in a polygon are ______________?
(Congruent, Supplementary, Complementary, Parallel or Perpendicular)
Supplementary Angles
If the arc measure is 192 degrees, what kind of arc is this? Minor, Major or a Semicircle.
Major Arc