How do you calculate the interior angles of a polygon?
Interior angles of polygons = (number of sides - 2) x 180
How do you calculate the exterior angles of a polygon?
Exterior angles of polygons always add to 360 degrees
Sin30 =
Sin30 = 1/2
Sin45 =
Sin45 = √2/2
Sin60 =
Sin60 = √3/2
Sin90 =
Sin90 = 1
Cos30 =
Cos30 = √3/2
Cos45 =
Cos45 = √2/2
Cos60 =
Cos60 = 1/2
Cos90 =
Cos90 = 0
Tan30 =
Tan30 = √3/3
Tan45 =
Tan45 = 1
Tan60 =
Tan60 = √3
Tan90 =
Tan90 = doesn’t exist