NAME ___________________________________________ DATE________________
ANGLE CONVERSIONS
The sum of the angles in degrees of an n-side polygon is 180(n-2).
Remember
180
radians
200
grads. Before inputting an angle for
conversion press
and then choose the corresponding
angular units. Use your EL-W516B to find the missing angle in the
specified 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.
_____________________
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