Special Right Triangles and Trig Ratios

Front

What is a 45-45-90 triangle?

Back

Front

What is the ratio of the sides in a 30-60-90 triangle?

Back

Front

How do you find the length of the hypotenuse in a 45-45-90 triangle?

Back

Front

What is the length of the legs in a 30-60-90 triangle if the hypotenuse is 10?

Back

Front

What is the sine ratio for a 30° angle in a right triangle?

Back

Front

What is the cosine ratio for a 60° angle in a right triangle?

Back

Front

In a 45-45-90 triangle, if one leg is 4, what is the length of the hypotenuse?

Back

Front

What is the tangent ratio for a 45° angle?

Back

The tangent ratio is defined as the length of the opposite side divided by the adjacent side. For a 45° angle, it is 1.

Front

If the hypotenuse of a 30-60-90 triangle is 12, what is the length of the longer leg?

Back

Front

What is the relationship between the sides of a 30-60-90 triangle?

Back