# Trigonometry Homework

All right triangles, regardless of size, are similar if they have angles that measure the same.Therefore, if one right triangle has an angle that measures θ, it will be similar to another right triangle that measures θ.

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They are the 45-45-90 triangle (also known as the π/4, π/4, and π/2 in radian measure), and the 30-60-90 triangle (also known as π/6, π/4, and π/2).

They can be used to calculate the trigonometric ratios.

Learn about the usefulness of trigonometry and how triangles and circles are tied together.

Trigonometry can be defined as the calculation part of geometry.

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Not just any triangle will do for trigonometry, though.

It has to be a right triangle where one of the angles is a 90 degree angle.