Unit 5 Flashcards
1
Q
What is a Polygon?
A
The general name for a 2D shape with straight edges
2
Q
What do Co-Interior Angles add up to?
A
180°
3
Q
What is a Regular Polygon?
A
A shape where all of its sides are the same length and all its angles are the same
4
Q
What do Exterior and Interior angles on a point add up to?
A
180°
5
Q
What is does the Sum of the Exterior Angles of any Polygon add up to?
A
360°
6
Q
The Exterior Angle of a Regular Polygon = ?
A
360 / Number of Sides
7
Q
The Sum of the Interior Angles of a Polygon = ?
A
(Number of sides - 2) x 180
8
Q
How do you work out the length of a line segment?
A
√(x2 - x1)^2 + (y2 - y1)^2
9
Q
sin(0°) =
A
0
10
Q
sin(30°) =
A
1/2
11
Q
sin(45°) =
A
1/√2
12
Q
sin(60°) =
A
√3/2
13
Q
sin(90°) =
A
1
14
Q
cos(90°) =
A
0
15
Q
cos(60°) =
A
1/2
