Right Triangles

Front

What are the legs of a right triangle?

Back

The sides a and b are called legs.

Front

Which ratio is correct for a right triangle with angle 37 degrees?

Back

cos(37)=x/14 is the correct ratio.

Front

Is side c on a right triangle always the longest side?

Back

True, side c (the hypotenuse) is always the longest.

Front

Where is the hypotenuse located in a right triangle?

Back

The hypotenuse is always across from the right angle.

Front

Which trigonometric function should you use if you have the opposite side and hypotenuse?

Back

You should use the sine function.

Front

What is the Pythagorean theorem?

Back

a² + b² = c², where c is the hypotenuse.

Front

What is the definition of a right triangle?

Back

A triangle with one angle measuring 90 degrees.

Front

What is the sine of an angle in a right triangle?

Back

The ratio of the length of the opposite side to the hypotenuse.

Front

What is the cosine of an angle in a right triangle?

Back

The ratio of the length of the adjacent side to the hypotenuse.

Front

What is the tangent of an angle in a right triangle?

Back

The ratio of the length of the opposite side to the adjacent side.