CPM Geometry Final Review Sem 1

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2(length + width)

Front

How do you solve a system of equations using substitution?

Back

1. Solve one equation for one variable. 2. Substitute that expression into the other equation. 3. Solve for the remaining variable.

Front

What is a scale factor in geometry?

Back

A scale factor is a number that scales, or multiplies, some quantity. It is used to enlarge or reduce figures.

Front

What are complementary angles?

Back

Two angles that add up to 90 degrees.

Front

What are supplementary angles?

Back

Two angles that add up to 180 degrees.

Front

How do you find the value of x in an equation?

Back

Isolate x on one side of the equation using inverse operations.

Front

What is the difference between a rational and an irrational number?

Back

Rational numbers can be expressed as a fraction of two integers, while irrational numbers cannot be expressed as a simple fraction.

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 polygon?

Back

A polygon is a closed figure with three or more straight sides.

Front

What is the area of a triangle?

Back

Area = 1/2(base * height)