Classifying Angles
angle whose measure is 90∘
a right angle
8 multiplied by 8
64
50 divided by 5
10
42
16
opposite over hypotenuse
sin
angle whose measure is between 90∘ and 180∘
an obtuse angle
12 multiplied by 6
72
36 divided by 9
4
62
36
adjacent over hypotenuse
cos
angle whose measure is between 0∘ and 90∘
an acute angle
15 multiplied by 3
45
200 divided by 2
100
122
144
opposite over adjacent
tan
angle whose measure is greater than 180∘
a reflex angle
20 multiplied by 50
1,000
500 divided by 20
25
0.43
0.064
acronym for sin, cos, tan
SOHCAHTOA
cut a circle in half, now what is the name of the angle
a straight angle
6253 multiplied by 250
1,563,250
800 divided by 10
80
(1/5)2
0.04
a2+b2=c2
pythagorean theorem