Similar Triangles Corresponding Parts

Front

What is the Angle-Angle (AA) Similarity Postulate?

Back

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

Tags

CCSS.HSG.SRT.B.5

Front

If ΔABC ∼ ΔDEF, what can we conclude about their corresponding angles?

Back

∠A ≅ ∠D, ∠B ≅ ∠E, ∠C ≅ ∠F.

Tags

CCSS.HSG.SRT.A.2

Front

What does it mean for two triangles to be similar?

Back

Two triangles are similar if they have the same shape but not necessarily the same size.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Front

If the scale factor of a triangle is 2, what happens to the size of the triangle?

Back

The triangle is enlarged.

Tags

CCSS.8.G.A.3

Front

What is the relationship between corresponding sides of similar triangles?

Back

The ratios of the lengths of corresponding sides are equal.

Tags

CCSS.HSG.SRT.A.2

Front

If ΔXYZ ∼ ΔPQR and XY = 4 cm, what is the corresponding side in ΔPQR if the scale factor is 3?

Back

The corresponding side in ΔPQR is 12 cm.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Front

What is the definition of corresponding parts in similar triangles?

Back

Corresponding parts are angles and sides that are in the same relative position in similar triangles.

Tags

CCSS.HSG.SRT.A.2

Front

If ΔABC ∼ ΔDEF and AB = 5 cm, DE = 10 cm, what is the scale factor?

Back

The scale factor is 2.

Tags

CCSS.HSG.SRT.A.2

Front

What can we conclude if two triangles are congruent?

Back

If two triangles are congruent, they are also similar.

Tags

CCSS.8.G.A.2

Front

If the angles of triangle A measure 30°, 60°, and 90°, what are the angles of a similar triangle B?

Back

Triangle B will also have angles measuring 30°, 60°, and 90°.

Tags

CCSS.HSG.SRT.A.2