Geometry 1st Semester Review

Front

What is the converse of the statement: 'If it is not dark outside, then it is not night'?

Back

If it is night, then it is dark outside.

Front

Solve for x: 5x = 125

Back

x = 25

Front

What is step 4 in solving an equation?

Back

Addition property of equality.

Front

Which triangle congruence theorem can be used to prove the triangles are congruent if two angles and the included side are known?

Back

ASA (Angle-Side-Angle)

Front

Find the values of m and n if 2m + 3n = 180 and m - n = 9.

Back

m = 36, n = 27.

Front

What is the definition of a triangle?

Back

A polygon with three edges and three vertices.

Front

What is the Pythagorean theorem?

Back

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

Front

What does it mean for two triangles to be congruent?

Back

They have the same size and shape; corresponding sides and angles are equal.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height.

Front

What is the definition of complementary angles?

Back

Two angles that add up to 90 degrees.