1.6 Flashcards
(10 cards)
1
Q
angle
A
the space between two intersecting lines
2
Q
acute angle
A
is an angle smaller than a right angle.
3
Q
vertical angles
A
each of the pairs of opposite angles made by two intersecting lines.
4
Q
obtuse angles
A
is any angle larger than 90 degrees.
5
Q
straight angels
A
an angle of 180°.
6
Q
complementary angles
A
either of two angles whose sum is 90°
7
Q
adjacent angles
A
when they have a common side and a common vertex
8
Q
right angles
A
an angle of 90°
9
Q
congruent angles
A
They don’t have to point in the same direction.
10
Q
supplementary angles
A
either of two angles whose sum is 180°