7.1 - 7.4 Proportions

Front

What is a proportion?

Back

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

Tags

CCSS.7.RP.A.2A

Front

How do you determine if two polygons are similar?

Back

Two polygons are similar if their corresponding angles are equal and the lengths of their corresponding sides are proportional.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Front

What is the similarity statement for similar triangles?

Back

The similarity statement for similar triangles indicates which triangles are similar, such as ΔABC ~ ΔDEF.

Tags

CCSS.HSG.SRT.A.2

Front

What is the Side-Angle-Side (SAS) similarity criterion?

Back

The SAS similarity criterion states that if an angle of one triangle is equal to an angle of another triangle and the sides including those angles are in proportion, then the triangles are similar.

Tags

CCSS.HSG.SRT.B.5

Front

What is the Angle-Angle (AA) similarity criterion?

Back

The AA similarity criterion states that if two angles of one triangle are equal to two angles of another triangle, then the triangles are similar.

Tags

CCSS.HSG.SRT.B.5

Front

What is the definition of similar figures?

Back

Similar figures are figures that have the same shape but may differ in size.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Front

How do you solve a proportion?

Back

To solve a proportion, cross-multiply the terms and then isolate the variable.

Tags

CCSS.6.EE.B.7

Front

What is the Cross-Multiplication Property?

Back

The Cross-Multiplication Property states that if a/b = c/d, then a*d = b*c.

Tags

CCSS.7.NS.A.2C

Front

What is the definition of corresponding sides in similar polygons?

Back

Corresponding sides in similar polygons are the sides that are in the same relative position in each polygon.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Front

What is the definition of corresponding angles in similar polygons?

Back

Corresponding angles in similar polygons are the angles that are in the same relative position in each polygon.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6