TFC - final exam review

Front

What are vertical angles?

Back

Vertical angles are the angles opposite each other when two lines intersect. They are always equal.

Front

If a quantity triples, what is the percent increase?

Back

A tripling of a quantity represents a 200% increase.

Front

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

Back

The sum of the interior angles of a polygon with n sides is given by the formula: (n - 2) × 180°.

Front

What is the sum of the angle measures in a nonagon (9 sides)?

Back

The sum of the angle measures in a nonagon is 1260°.

Front

How do you convert an improper fraction to a mixed number?

Back

Divide the numerator by the denominator. The quotient is the whole number, and the remainder over the denominator is the fractional part.

Front

Convert 8/3 to a mixed number.

Back

8/3 as a mixed number is 2 2/3.

Front

What is the formula for calculating percent increase?

Back

Percent Increase = ((New Value - Old Value) / Old Value) × 100%.

Front

What is the perimeter of a rectangle?

Back

The perimeter of a rectangle is calculated as P = 2(length + width).

Front

What is the area of a triangle?

Back

The area of a triangle is calculated as A = 1/2(base × height).

Front

What is the Pythagorean theorem?

Back

The Pythagorean theorem states that in a right triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides: a² + b² = c².