1. Right Triangles and Trigonometry
Chapter 10
Right Triangles and Trigonometry

2. Section 3 30°-60°-90° Triangles

4. Example 1: Find Leg Length In the diagram on the previous slide, Triangle PQR is a 30°-60°-90° triangle with PQ = 2 and PR = 1. Find the value of b.

7. Example 2: Find Hypotenuse Length In the 30°-60°-90° triangle at the right, the length of the shorter leg is given. Find the length of the hypotenuse.

8. Example 3: Find Longer Leg Length In the 30°-60°-90° triangle at the right, the length of the shorter leg is given. Find the length of the longer leg.

9. Checkpoint: Find Lengths in a Triangle Find the value of x
Checkpoint: Find Lengths in a Triangle Find the value of x. Write your answer in radical form.

10. Example 4: Find Shorter Leg Length In the 30°-60°-90° triangle at the right, the length of the longer leg is given. Find the length x of the shorter leg. Round your answer to the nearest tenth.

11. Example 5: Find Leg Lengths In the 30°-60°-90° triangle at the right, the length of the hypotenuse is given. Find the length x of the shorter leg and the length y of the longer leg.

12. Checkpoint: Find Leg Lengths Find the value of each variable
Checkpoint: Find Leg Lengths Find the value of each variable. Round your answer to the nearest tenth.

13. EXIT SLIP