i.
To find: How long is the third side of the property?
Hence, length of third side of the property is 680 yards.
Given: Two sides of triangular property are 540 yards and 330 yards, one angle included is
Concept Used: Cosine rule:
Calculation:
From the figure:
Using cosine rule:
Conclusion:
Hence, length of third side of the property is 680 yards.
ii.
To find: How much does the land cost?
Hence, price of land is $45323.5388.
Given: Price of land is
Concept Used: Formula of area of
Calculation:
From the figure:
Area of triangle:
Now,
Price of land is
Conclusion:
Hence, price of land is $45323.5388.
Chapter 9 Solutions
Holt Mcdougal Larson Algebra 2: Student Edition 2012
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