Unit 3 Review:
1. Angle D had a measure between
0° and 360°
and is
coterminal with the angle
−840°
.
Find Angle D.
2. Write
418°
as the neasure of all coterminal angles, for
any integer
n
.
3. Convert degrees to radians.
a.
135° =
b.
300° =
4. Convert radians to degrees.
a.
!"
#
=
b.
$$"
%
=
5. How long is the radius, if the arc length is 8 in and is
intersected by a central angle of
!"
$&
radians?
Use the formula:
࠵? =
’
(
6. Find
࠵?, ࠵?, ࠵? and ࠵?
using the ratio of special right
triangles.
a.
b.
7. Find
࠵?, ࠵?, ࠵? and ࠵?
using the ratio of special right