Geom 1st Sem. Final Rev. Big Ideas

Front

Which of the following is not a valid reason to prove congruent triangles?

Back

AAA

Front

The centroid is the point of concurrency of the 3 ____ of a triangle.

Back

Medians

Front

If CF, BE, and AD are the medians of the triangle and BF = 10, find AF.

Back

10

Front

What assumption would you make to start the indirect proof of ∆ABC≅∆DEF?

Back

∆ABC≇∆DEF

Front

If G is the centroid of triangle ABC and BE= 18, find the length of BG.

Back

12

Front

What does ASA stand for in triangle congruence?

Back

Angle-Side-Angle

Front

What does SAS stand for in triangle congruence?

Back

Side-Angle-Side

Front

What does SSS stand for in triangle congruence?

Back

Side-Side-Side

Front

What is the definition of a median in a triangle?

Back

A line segment joining a vertex to the midpoint of the opposite side.

Front

How many medians does a triangle have?

Back

Three