1.
Relating to Pythagoras or his theorem, which describes the relationship between the sides of a right angled triangle
2.
The longest side of a right angled triangle, opposite the right angle
3.
The side next to a given angle in a right angled triangle, excluding the hypotenuse
4.
The side opposite a given angle in a right angled triangle
5.
A trigonometric function that represents the ratio of the opposite side to the hypotenuse
6.
A trigonometric function that represents the ratio of the adjacent side to the hypotenuse
7.
A trigonometric function that represents the ratio of the opposite side to the adjacent side
8.
A mnemonic used to remember the trigonometric ratios for sine, cosine, and tangent
9.
The branch of mathematics that deals with the relationships between the angles and sides of triangles
10.
A polygon with three sides and three angles
11.
A unit of measuring angles based on the arc length in a circle
12.
A unit of measuring angles where a full circle is divided into 360 equal parts
13.
The angle measured upwards from a horizontal line to an object above the observer
14.
The angle measured downwards from a horizontal line to an object below the observer
15.
Describing two angles that add up to 90 degrees
16.
Describing an angle that is less than 90 degrees
17.
Describing an angle that is greater than 90 degrees but less than 180 degrees
18.
The space between two intersecting lines or surfaces measured in degrees or radians
19.
A mathematical comparison of two quantities, often used in trigonometric functions
20.
A shape consisting of all points in a plane that are a fixed distance from a central point
