Angles and Rotation Flashcards
1
Q
90 degrees is
A
1/4 turn
2
Q
180 degrees
A
1/2 turn
3
Q
45 degrees
A
1/8 turn
4
Q
270 degrees
A
3/4 turn
5
Q
Vertex
A
the common endpoint of the two rays or segments that form an angle less than 180 degrees. the vertex of 180 degrees angle is any point along the line
6
Q
Rotation
A
the movement of a figure a certain number of degrees around a given point sometimes called a turn