Chapter 3 Review

Front

What is the definition of similar triangles?

Back

Triangles are similar if their corresponding angles are equal and their corresponding sides are in proportion.

Front

What does SAS similarity stand for?

Back

SAS similarity stands for Side-Angle-Side similarity, which states that if two sides of one triangle are proportional to two sides of another triangle and the included angles are equal, then the triangles are similar.

Front

What does AA similarity stand for?

Back

AA similarity stands for Angle-Angle similarity, which states that if two angles of one triangle are equal to two angles of another triangle, then the triangles are similar.

Front

What does SSS similarity stand for?

Back

SSS similarity stands for Side-Side-Side similarity, which states that if the three sides of one triangle are proportional to the three sides of another triangle, then the triangles are similar.

Front

If two triangles have one angle of 60 degrees and the other angles are 30 degrees and 90 degrees, are they similar?

Back

Yes, they are similar by AA similarity.

Front

What is the formula for multiplying two binomials, such as (a + b)(c + d)?

Back

The formula is: (a + b)(c + d) = ac + ad + bc + bd.

Front

Multiply: (3x - 1)(x + 5)

Back

3x^2 + 14x - 5.

Front

If two polygons are similar, what can be said about their corresponding side lengths?

Back

The corresponding side lengths of similar polygons are proportional.

Front

What is the missing side length if two similar triangles have sides of lengths 4 and 8, and the corresponding side of the second triangle is marked with a question mark?

Back

The missing side length is 8.

Front

True or False: Sides in similar figures must be proportional.

Back

True.