Angles Flashcards
(7 cards)
1
Q
Alternate angles- z angles.
A
Are equal.
Under top arm and above bottom arm.
2
Q
Opposite angles.
vertically opposite
A
are equal.
3
Q
Co interior angles- c angles.
A
Add to 180.
Under the top of the c and above the bottom of the c.
4
Q
Corresponding- f angles.
A
Are equal.
The angles under the arms of the f.
5
Q
Regular polygons.
A
All sides and angles are equal
6
Q
How to work out an exterior angle of a regular polygon.
A
360 divided by the number of sides.
E.g. For a pentagon- 360 divided by 5= 72 degrees per exterior angle.
7
Q
How to work out the interior angle of a regular polygon?
A
Using exterior angle….
180- (exterior angle)= interior angle.
