To find: The measures of a
With known values of parameters of triangle PQR , side
Given data:
Let two sides of a triangle are 15 cm. 18 cm. and one angle
Method/Formula used:
In a triangle ABC shown in Fig. 1, the Law of Sines states:
Calculations:
Let PQR be a triangle in which side
Let in triangle PQR the side PR measures ‘ x’ . Then the Law of Sines states:
Substitute
From the last ratio of result (1),
From first ratio with constant K ,
Two angles of triangle PQR are
Now, from second ratio with constant K ,
Substitute
Thus, with known values of parameters of triangle PQR , side
Chapter 14 Solutions
High School Math 2015 Common Core Algebra 2 Student Edition Grades 10/11
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