Geometry Unit 8: Right Triangle Trigonometry

Overview of Right Triangle Trigonometry

Overview of Right Triangle Trigonometry

Right triangle trigonometry is a branch of mathematics that focuses on the relationships between the angles and sides of right triangles. This type of trigonometry is used to solve problems, such as finding the height of a building or the distance between two points. Right triangle trigonometry is based on the Pythagorean theorem, which states that the sum of the squares of the two sides of a right triangle is equal to the square of its hypotenuse.

Solving Right Triangle Problems

Solving Right Triangle Problems

Solving right triangle problems involves using the Pythagorean theorem, as well as the trigonometric ratios of sine, cosine, and tangent. These ratios are used to calculate the length of the sides of a right triangle when the angle measures are known. To solve a right triangle problem, it is important to identify the known and unknown values in the triangle. Once the known and unknown values have been identified, the problem can be solved using the Pythagorean theorem and trigonometric ratios.

Applications of Right Triangle Trigonometry

Applications of Right Triangle Trigonometry

Right triangle trigonometry is used in a variety of fields, including architecture, engineering, navigation, and surveying. Architects use right triangle trigonometry to determine the height of buildings, as well as the angles of roofs and walls. Engineers use right triangle trigonometry to calculate the angles and lengths of bridges and other structures. Navigators use right triangle trigonometry to calculate the bearing and distance between two points. Surveyors use right triangle trigonometry to measure the distance between two points on the ground.

Learning Right Triangle Trigonometry

Learning Right Triangle Trigonometry

Learning right triangle trigonometry can be a challenging task, but there are a variety of resources available to help students understand and apply this branch of mathematics. Online tutorials, textbooks, and instructional videos are all great resources for learning right triangle trigonometry. It is also important to practice solving right triangle problems in order to gain a better understanding of the concepts and to become more comfortable with the process.



Right triangle trigonometry is an important branch of mathematics that is used in a variety of fields. Understanding and applying right triangle trigonometry can be challenging, but there are a variety of resources available to help students learn and practice this branch of mathematics. With practice, students can become proficient in solving right triangle problems.