Final Review

Front

Back

Front

Back

x = 0.34

Front

In a 45-45-90 triangle, if one leg is 8, what is the length of the other leg?

Back

8

Front

What is the probability of selecting a red or yellow marble from a bag containing 4 red, 5 blue, 3 purple, and 8 yellow marbles?

Back

8.4%

Front

What is the probability that a person on a student council committee is a senior or on the administrative committee?

Back

43.5%

Front

Define a 45-45-90 triangle.

Back

A right triangle where the two legs are of equal length and the angles opposite those legs are both 45 degrees.

Front

What is the formula for the probability of an event?

Back

P(Event) = \frac{Number \ of \ favorable \ outcomes}{Total \ number \ of \ outcomes}.

Front

How do you convert a fraction to a percent?

Back

Multiply the fraction by 100 and add a percent sign.

Front

What is the sum of the angles in a triangle?

Back

180 degrees.

Front

What is the formula for the area of a triangle?

Back

Area = \frac{1}{2} \times base \times height.