ACT MATH FORMULA REVIEW

Front

What is the formula for the perimeter of a square?

Back

P = 4s, where s is the length of a side.

Front

What is the formula for the perimeter of a rectangle?

Back

P = 2l + 2w, where l is the length and w is the width.

Front

What is the Pythagorean theorem?

Back

a² + b² = c², where c is the hypotenuse and a, b are the other two sides.

Front

What is the formula for the volume of a cylinder?

Back

V = πr²h, where r is the radius and h is the height.

Front

What is the definition of tangent in trigonometry?

Back

tanθ = opposite / adjacent.

Front

What is the formula for the area of a triangle?

Back

A = 1/2 * base * height.

Front

What is the formula for the circumference of a circle?

Back

C = 2πr, where r is the radius.

Front

What is the formula for the area of a rectangle?

Back

A = length * width.

Front

What is the formula for the volume of a rectangular prism?

Back

V = length * width * height.

Front

What is the definition of the midpoint of a line segment?

Back

The midpoint is the point that divides the segment into two equal parts.