To find: The lengths of two sides those include the given angle.
The
Given data:
The triangle has angle
Method/Formula used:
‘Law of Cosines’ for triangle ABC (Fig.1) states: Formula 1:
Formula-2: The area
Calculations:
Suppose in triangle
Substitute
Substitute
Thus, equations to solve for the triangle are:
Since, there are 3 unknown
Chapter 9 Solutions
Holt Mcdougal Larson Algebra 2: Student Edition 2012
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