Sharp EL-W535B User Manual
NAME ___________________________________________ DATE________________
ANGLE CONVERSIONS
The sum of the angles in degrees of an n-side polygon is 180(n-2).
Remember
Remember
180
radians
200
grads. Before inputting an angle for
conversion press
and then choose the corresponding angular
units. Use your EL-W535B to find the missing angle in the specified
units.
units.
1. A triangle has two angles, which are 45
and 60 . Find the missing
angle and express your answer in radians.
_____________________
2. A pentagon has four angles, which are 30
, 30 , 60, and 100. Find
the missing angle and express your answer in grads.
_____________________
3. A triangle has two angles, which are 100 grads and 20 grads. Find
the missing angle and express your answer in radians.
_____________________
4. A hexagon has five angles, which are
5
.
1
radians,
3
.
radians,
4
.
radians,
5
.
radians, and
radians. Find the missing angle and
express your answer in degrees.
_____________________
5. A four-sided figure has three angles, which are 16.3
, 22.1, and 45.
Find the missing angle and express your answer in degrees-minutes-
seconds.
seconds.
_____________________
18