Midterm Review Part 1

Front

What type of triangle does the Pythagorean Theorem apply to?

Back

Right triangle.

Front

Which law is used to find unknown angles in non-right triangles?

Back

Law of Sines.

Front

What is the formula for the Law of Cosines?

Back

c² = a² + b² - 2ab * cos(C)

Front

How do you set up the equation to find angle X if cos X = adjacent/hypotenuse?

Back

cos X = 28/41.

Front

What is the hypotenuse in a right triangle?

Back

The side opposite the right angle, usually denoted as 'c'.

Front

If A=65, C=65, and a=12, what is the measure of angle B?

Back

B=50.

Front

What is the relationship between the sides and angles in a triangle?

Back

The larger the angle, the longer the opposite side.

Front

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

Back

Opposite side / Hypotenuse.

Front

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

Back

Adjacent side / Hypotenuse.

Front

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

Back

Opposite side / Adjacent side.