5 Written questions
5 Multiple choice questions
 In a right triangle with legs a and b and hypotenuse c, a^2 + b^2 = c^2
 The angle formed when looking down from the horizontal
 trigonometric ratio: abbreviation sin; the sine of an acute angle in a right triangle equals the side opposite the angle divided by the hypotenuse (sin A = opp/hyp)
 Special right triangle: isosceles right triangle where the legs are congruent and the hypotenuse = leg * sqrt(2)
 The angle formed when looking up from the horizontal
5 True/False questions

Acute triangle → In a triangle with shorter sides a and b and longer side c, if a^2 + b^2 > c^2, then the triangle is acute

cosine → trigonometric ratio: abbreviation sin; the sine of an acute angle in a right triangle equals the side opposite the angle divided by the hypotenuse (sin A = opp/hyp)

Inverse Trig Ratio → Gives us the measure of the angle whose sin/cos/tan is a given ratio value. "Undoes" sin, cos, or tan. Written using a "1" (looks like an exponent, but isn't). Also called "arc," such as arcsin, arccos, arctan. Example: arcsin(1/2) = 30 degrees. Useful in finding missing angle values in right triangles.

Obtuse triangle → In a triangle with shorter sides a and b and longer side c, if a^2 + b^2 > c^2, then the triangle is acute

Pythagorean Triple → In a right triangle with legs a and b and hypotenuse c, a^2 + b^2 = c^2