1stQuiz Flashcards
Adjacent angles
Two angles that have a common side and vertex
Complementary angles
Two angles with the sum of 90
Supplementary angles
Two angles whose sum is 180 degrees
Linear pair
Formed when two lines intersect
Vertical angle
A pair of angles such that the Rays forming the sides of one and the Rays forming the side of other are opposite rays
scalene
has 3 unequal sides and all different angles
isosceles
2 congruent sides and angles
equilateral
3 congruent sides and angles
square
equal sides and every angle is 90 and opposite sides are parallel
rectangle
every angle is a right angle and opposite sides are parallel
trapezoid
1 pair of parallel sides
isosceles trapezoid
if the sides that aren’t parallel are equal in length and both angles coming from a parallel sides are equal
sine
opposite/hypotenuse (soh)
cosine
adjacent/hypotenuse (cah)
tangent
opposite/adjacent (toh)