ACT Formulas

Front

What is the formula for the volume of a cube?

Back

V = s^3, where s is the length of a side of the cube.

Front

What is the formula for the area of a square?

Back

A = s^2, where s is the length of a side of the square.

Front

How is the distance formula correctly written?

Back

d = √((x₂ - x₁)² + (y₂ - y₁)²)

Front

What is the slope-intercept form of a linear equation?

Back

y = mx + b, where m is the slope and b is the y-intercept.

Front

What type of triangle has two congruent sides?

Back

An Isosceles Triangle.

Front

What is the formula for the perimeter of a square?

Back

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

Front

What is the formula for the area of a rectangle?

Back

A = l × w, where l is the length and w is the width.

Front

What is the formula for the circumference of a circle?

Back

C = 2πr, where r is the radius of the circle.

Front

What is the Pythagorean theorem?

Back

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

Front

What is the formula for the area of a triangle?

Back

A = 1/2 × base × height.