To calculate: the value of
Answer to Problem 25HP
The value of
Explanation of Solution
Given information:
System equation:
Calculation:
Consider the
Use the fact that the sum of the angles in a triangle is
Consider the triangle RTS. It is known that angles opposite to congruent sides are equal. Use this fact and
Consider the triangle QTR.
Similarly, use
Let,
Use the fact that the sum of the angles in a triangle is
Use the equation (2), equation (3) and equation (4) to find
Substitute
Therefore, the value of
Chapter 12 Solutions
Algebra 2
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