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In this lesson, we will learn how to identify isosceles triangles to find a missing angle or side length.
Q1:
Given that 𝑚 ∠ 𝐵 = ( 3 𝑥 + 5 2 . 5 ) ∘ and 𝑚 ∠ 𝐶 = ( 2 𝑥 + 5 3 . 5 ) ∘ , find the measures of the angles of △ 𝐴 𝐵 𝐶 .
Q2:
In the following figure, find the value of 𝑥 .
Q3:
Find the values of 𝑥 and 𝑦 .
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