Right Triangles

Front

What is the mnemonic to remember trigonometric ratios?

Back

SOH CAH TOA

Front

What is the length of the hypotenuse in a right triangle with legs measuring 12 and 9?

Back

15

Front

What trigonometric ratio is used to find the opposite side when the hypotenuse and angle are known?

Back

Sine

Front

What trigonometric ratio is used to find the adjacent side when the hypotenuse and angle are known?

Back

Cosine

Front

What trigonometric ratio is used to find the opposite side when the adjacent side and angle are known?

Back

Tangent

Front

In a right triangle, if one angle is 30 degrees, what is the ratio of the opposite side to the hypotenuse?

Back

1/2

Front

If the opposite side of a right triangle is 3 and the hypotenuse is 5, what is the sine of the angle?

Back

0.6

Front

If the adjacent side of a right triangle is 4 and the hypotenuse is 5, what is the cosine of the angle?

Back

0.8

Front

If the opposite side is 3 and the adjacent side is 4, what is the tangent of the angle?

Back

0.75

Front

What is the Pythagorean theorem?

Back

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