To find:themeasures of the angles of an isosceles
Answer to Problem 3P
The measure of the angles of an isosceles triangle are
Explanation of Solution
Given information:
The measure of the vertex angle is
Calculation:
In isosceles triangle, the measure of the base angles are same.
Let x be measure of the base angle.
The measure of the vertex angle is
That is, the measure of vertex angle is
It is known that the sum of the angle of triangle is
Thus, the base angle of the triangle is
Substitute
Thus, the vertical angle is
Therefore, the angles of isosceles triangle are
Chapter 3 Solutions
Algebra and Trigonometry: Structure and Method, Book 2
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