Trigonometric Ratios in Right Triangles — Practice Geometry Questions - dummies

# Trigonometric Ratios in Right Triangles — Practice Geometry Questions

In geometry, if you’re given a right triangle with missing angles or sides, you can use trigonometric ratios—sine, cosine, or tangent—to find them.

To help you decide which of the three trigonometric ratios to use, you can label the sides of the triangle as adjacent or opposite. This labeling is dependent on the given angle in the right triangle. The hypotenuse is always the side opposite the right angle.

The following practice questions ask you to solve problems using the cosine and tan functions.

## Practice questions

1. Triangle CST,

is a right triangle with SC = 5 and ST = 12.

2. A school is building a ramp for wheelchair access into the school. The ramp needs to be built from a point 20 feet away from the building and up to a door that is 10 feet off the ground. What is the degree measure that the ramp will make with the ground to the nearest degree?

1. 65 degrees

In a right triangle, the following trigonometric proportions are true:

In this triangle, you’re looking for information about