Geometry - 1st Semester Review

Front

What is the midpoint formula for a line segment with endpoints (x1, y1) and (x2, y2)?

Back

Midpoint = ((x1 + x2)/2, (y1 + y2)/2)

Front

Find the midpoint of the line segment with endpoints (-2,0) & (9,-1).

Back

(3.5, -0.5)

Front

What is the measure of an angle in a triangle if the other two angles are 50° and 60°?

Back

70°

Front

What is the sum of the interior angles of a triangle?

Back

180°

Front

What does ASA stand for in triangle congruence?

Back

Angle-Side-Angle

Front

What does SSS stand for in triangle congruence?

Back

Side-Side-Side

Front

What is the definition of congruent triangles?

Back

Triangles that have the same size and shape.

Front

How do you determine if two triangles are congruent using SAS?

Back

If two sides and the included angle of one triangle are equal to two sides and the included angle of another triangle.

Front

What is the definition of a right triangle?

Back

A triangle with one angle measuring 90°.

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.