Name: 
 

Using Trigonometry to Find Area 3



 1 

An obtuse angle of a parallelogram has a measure of 150º.  If the sides of the parallelogram measure 10 and 12 centimeters, what is the area of the parallelogram?
a)
mc001-1.jpg
c)
mc001-3.jpg
b)
mc001-2.jpg
d)
mc001-4.jpg
 

 2 

The sides of a parallelogram are 6 and 8, and the included angle is 150.  What is the area of the parallelogram?
a)
24
c)
mc002-1.jpg
b)
48
d)
mc002-2.jpg
 

 3 

What is the area of a parallelogram if two adjacent sides measure 4 and 5 and an included angle measures 60º?
a)
mc003-1.jpg
c)
mc003-3.jpg
b)
mc003-2.jpg
d)
mc003-4.jpg
 

 4 

What is the area of a parallelogram that has sides measuring 8 cm and 12 cm and includes an angle of 120°?
a)
mc004-2.jpg
c)
mc004-4.jpg
b)
mc004-3.jpg
d)
mc004-5.jpg
 

 5 

The sides of a parallelogram measure 10 cm and 18 cmOne angle of the parallelogram measures 46 degrees.  What is the area of the parallelogram, to the nearest square centimeter?
a)
65
c)
129
b)
125
d)
162
 



 
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