Int 2 Winter Final Review (Pt 3)

Front

What is the angle in a right triangle if the lengths of the sides are 9, 12, and 15?

Back

Yes, these lengths form a right triangle.

Front

How do you find the long leg in a 30-60-90 triangle if the short leg is 4?

Back

Multiply 4 by √3.

Front

What angle does a leash make with the ground if it is 8 feet long and held 3 feet off the ground?

Back

22°.

Front

What is the missing angle if the options are 15, 37, 66, and 72, and the answer is 66?

Back

66.

Front

What is the formula to find the length of the hypotenuse in a right triangle?

Back

Use the Pythagorean theorem: a² + b² = c².

Front

In a 30-60-90 triangle, what is the ratio of the lengths of the sides?

Back

1 : √3 : 2.

Front

What is the definition of a right triangle?

Back

A triangle with one angle measuring 90 degrees.

Front

How do you determine if three lengths can form a triangle?

Back

The sum of the lengths of any two sides must be greater than the length of the third side.

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.