Geometry Final Exam REVIEW

Front

What is the formula to find the sum of interior angles in a polygon?

Back

(n-2) * 180, where n is the number of sides.

Front

What is the definition of a positive slope?

Back

A positive slope indicates that as the x-coordinate increases, the y-coordinate also increases.

Front

How do you reflect a point across the y-axis?

Back

To reflect a point (x, y) across the y-axis, change the sign of the x-coordinate to (-x, y).

Front

What is the length of a line segment if the endpoints are (1, 2) and (4, 6)?

Back

The length is 5 units.

Front

What is the distance formula?

Back

The distance between two points (x1, y1) and (x2, y2) is given by √((x2 - x1)² + (y2 - y1)²).

Front

What is the definition of a triangle?

Back

A triangle is 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 is the definition of a right angle?

Back

A right angle is an angle that measures exactly 90 degrees.

Front

How do you calculate the area of a triangle?

Back

Area = 1/2 * base * height.

Front

What is the definition of congruent triangles?

Back

Triangles that are identical in shape and size, having equal corresponding sides and angles.