Special Right Triangles and Trigonometry

Front

What is a special right triangle?

Back

A special right triangle is a right triangle with specific angle measures that allow for easy calculation of side lengths. The two main types are the 45-45-90 triangle and the 30-60-90 triangle.

Front

What are the side ratios of a 45-45-90 triangle?

Back

Front

What are the side ratios of a 30-60-90 triangle?

Back

Front

How do you find the height of a triangle using trigonometry?

Back

Front

What is the sine function in relation to a right triangle?

Back

Front

What is the cosine function in relation to a right triangle?

Back

Front

What is the tangent function in relation to a right triangle?

Back

Front

How do you calculate the length of the hypotenuse in a right triangle?

Back

Front

What is the relationship between the angles in a right triangle?

Back

The sum of the angles in a right triangle is always 180 degrees, with one angle being 90 degrees.

Front

How do you solve for an unknown side in a right triangle using trigonometry?

Back

Use the appropriate trigonometric function (sine, cosine, or tangent) based on the known angles and sides.