ACT Formulas

Front

The formula of average is _______

Back

sum of quantities divided by # of items

Front

Surface Area of a Cube

Back

The surface area of a cube is given by the formula: 6 * (side length)^2.

Front

Which one is the easy way to remember trigonometric ratios?

Back

Soh Cah Toa

Front

Circumference of a circle

Back

The circumference of a circle is given by the formula: C = 2 * π * r, where r is the radius.

Front

Identify the trig function: \( \frac{adj}{hyp} \)

Back

cos

Front

What is the formula for the area of a triangle?

Back

The area of a triangle is given by the formula: A = \( \frac{1}{2} \) * base * height.

Front

What is the Pythagorean theorem?

Back

In a right triangle, the Pythagorean theorem states that a^2 + b^2 = c^2, where c is the hypotenuse.

Front

What is the formula for the volume of a cylinder?

Back

The volume of a cylinder is given by the formula: V = π * r^2 * h, where r is the radius and h is the height.

Front

What is the formula for the area of a circle?

Back

The area of a circle is given by the formula: A = π * r^2, where r is the radius.

Front

What is the formula for the slope of a line?

Back

The slope of a line is given by the formula: m = \( \frac{y_2 - y_1}{x_2 - x_1} \).