Identify which side lies opposite the named angle. The same triangle can produce a different requested ratio when the reference angle changes.
Where this helps
Recognizing familiar right triangles.
Before you start
Use this topic to practice math you have already learned. The examples show the available kinds of recall tasks; this is not a complete textbook chapter. Check the answer form and any stated conditions.
Try a few examples
Real practice. Real progress.
Example 1 of 4
In a 30°–60°–90° triangle, the short leg is 1. What is the hypotenuse?
Not drawn to scale
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long leg
Enter your expression.
In a 30°–60°–90° triangle, the short leg is 1. What is the hypotenuse? All lengths are positive real lengths in a Euclidean right triangle.
