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| PAGE: 634 | SET: Exercises | PROBLEM: 1 |
Bases and sides:
Each pair of opposite sides of a parallelogram has the same measure.
Each base is 5 ft long ,and each side is 10 ft long.
Perimeter:
The Perimeter of a polygon is the sum of the measures of its sides.
(Multiply: 
)
ft. (Add: 
)
Height:
Use a 
triangle to find the height.
The measure of the leg opposite the 30 angle is x
Hence 
.
Height 
(Substitute )
Area:
(Area of parallelogram)
(Substitute 
and 
)
(Multiply)
(Simplify)
The Perimeter of the polygon is ft and area .
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