Trig Ratio Basics

Front

What is the definition of the hypotenuse in a right triangle?

Back

The hypotenuse is the longest side of a right triangle, opposite the right angle.

Front

What is the side opposite the right angle called?

Back

The side opposite the right angle is called the hypotenuse.

Front

What is the sine ratio in a right triangle?

Back

Front

What is the cosine ratio in a right triangle?

Back

Front

What is the tangent ratio in a right triangle?

Back

Front

If the lengths of the legs of a right triangle are 3 and 4, what is the length of the hypotenuse?

Back

Using the Pythagorean theorem, the hypotenuse is 5.

Front

What is the Pythagorean theorem?

Back

Front

What is the opposite side in relation to an angle in a right triangle?

Back

The opposite side is the side that is directly across from the angle.

Front

What is the adjacent side in relation to an angle in a right triangle?

Back

The adjacent side is the side that forms the angle with the hypotenuse.

Front

How do you find the sine of an angle in a right triangle?

Back

To find the sine of an angle, divide the length of the opposite side by the length of the hypotenuse.