Name: 30-60-90 triangles: solution walkthrough
Uploaded: 2026-11-13
Duration: 1 min 54 s
Description: In right triangle ABC, the right angle is at C, the measure of angle A is 30°, and the hypotenuse AB is 12… Try it, then watch the animated solution.

Problem 5 of 34geo-005

In right triangle $ABC$ , the right angle is at $C$ , the measure of angle $A$ is $30^\circ$ , and the hypotenuse $\overline{AB}$ is $12$ centimeters long. What is the length, in centimeters, of $\overline{AC}$ ?

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Solution walkthrough1:54