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Home > A2C > Chapter 13 > Lesson 13.2.1 > Problem 13-96


An isosceles triangle has sides with lengths 10, 10, and 5 cm. What are the measures of the angles in the triangle? Homework Help ✎

Find BD.

Which trigonometric ratio should you use to find m ∠ B?

m ∠B ≈ 75.52°

Now that you know the measure of angle B, find the measure of angles A and C.