7.1-7.3 Review

Front

What is the cost of 10 pounds of hamburger meat if it sells for $6 for every 3 pounds?

Back

$20

Front

What does SAS stand for in triangle similarity?

Back

SAS stands for Side-Angle-Side, a criterion for triangle similarity.

Front

If X is found in a problem, how do you determine its value?

Back

You solve the equation or expression where X is present.

Front

A tree is 12 feet tall and casts a shadow of 9 feet. If a building casts a shadow of 24 feet, how do you find its height?

Back

Set up a proportion based on the heights and shadow lengths.

Front

If a statue is 42.9 ft tall and casts a shadow of 253.1 ft, how do you find the shadow length of a 6.2 ft tall man?

Back

Use the proportion of heights to shadows to find the man's shadow length.

Front

What is the formula for finding the height of an object using similar triangles?

Back

Height of object 1 / Shadow of object 1 = Height of object 2 / Shadow of object 2.

Front

What is the definition of similar triangles?

Back

Triangles that have the same shape but may differ in size; their corresponding angles are equal.

Front

What is the AA criterion for triangle similarity?

Back

If two angles of one triangle are equal to two angles of another triangle, the triangles are similar.

Front

What does SSS stand for in triangle similarity?

Back

SSS stands for Side-Side-Side, a criterion for triangle similarity based on the ratios of corresponding sides.

Front

What is the definition of proportion in mathematics?

Back

A proportion is an equation that states that two ratios are equal.