Maths H Flashcards
1
Q
How do you calculate the interior angles of a polygon?
A
Interior angles of polygons = (number of sides - 2) x 180
2
Q
How do you calculate the exterior angles of a polygon?
A
Exterior angles of polygons always add to 360 degrees
3
Q
Sin30 =
A
Sin30 = 1/2
4
Q
Sin45 =
A
Sin45 = √2/2
5
Q
Sin60 =
A
Sin60 = √3/2
6
Q
Sin90 =
A
Sin90 = 1
7
Q
Cos30 =
A
Cos30 = √3/2
8
Q
Cos45 =
A
Cos45 = √2/2
9
Q
Cos60 =
A
Cos60 = 1/2
10
Q
Cos90 =
A
Cos90 = 0
11
Q
Tan30 =
A
Tan30 = √3/3
12
Q
Tan45 =
A
Tan45 = 1
13
Q
Tan60 =
A
Tan60 = √3
14
Q
Tan90 =
A
Tan90 = doesn’t exist
