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NAME ___________________________________________ DATE________________
The sum of the angles in degrees of an n-side polygon is 180(n-2).
Remember
conversion press
units. Use your EL-W535B 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
4
.
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.
ANGLE CONVERSIONS
180
radians
_____________________
_____________________
_____________________
5
.
radians,
radians, and
_____________________
_____________________
18
200
grads. Before inputting an angle for
and then choose the corresponding angular
5
. 1
radians,
radians. Find the missing angle and
3
.
radians,
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