Unit 4b Test Review

Front

What is the formula to find the missing distance in a right triangle?

Back

Use the Pythagorean theorem: a² + b² = c², where c is the hypotenuse.

Front

What is the ratio for SIN X in a right triangle?

Back

Opposite side / Hypotenuse (Opp/Hyp).

Front

How do you solve for a missing angle in a right triangle?

Back

Use trigonometric ratios (sin, cos, tan) or inverse trigonometric functions.

Front

What is the final step in solving for c in the equation a² + b² = c²?

Back

Take the square root of both sides.

Front

What equation can be used to solve for x using sine?

Back

Sin(θ) = Opposite / Hypotenuse.

Front

What is the cosine ratio in a right triangle?

Back

Adjacent side / Hypotenuse (Adj/Hyp).

Front

What is the tangent ratio in a right triangle?

Back

Opposite side / Adjacent side (Opp/Adj).

Front

How do you find the hypotenuse of a right triangle if you know the other two sides?

Back

Use the Pythagorean theorem: c = √(a² + b²).

Front

What is the relationship between the angles in a right triangle?

Back

The sum of the angles in a right triangle is always 180 degrees.

Front

What is the sine of 30 degrees?

Back

0.5.