### Home > A2C > Chapter 4 > Lesson 4.1.2 > Problem4-30

4-30.
1. Solve for the indicated value. Leave your answer in exact form. Homework Help ✎

1. x = ____

2. m∠ C = ____

3. m∠ B = ____

4. a = ____

$6^{2}+5^{2}=x^{2}\ \ \ \ \ \ \ \ \ \sqrt{61}=x$

Use the Pythagorean Theorem.

Use the Pythagorean Theorem to find the missing side. Is the triangle a special one?

This is a 30-60 triangle. Therefore, ∠C is 30°.

The inverse tangent function will be helpful here.

Use the cosine ratio or special right triangles.