ACT Math Formulas

Area of a Triangle

• A = 1/2h(b1 + b2)
• A = bh
• A = 1/2bh

Area of a Rectangle

• A = 1/2h(b1 + b2)
• A = bh
• a = 1/2bh

Area of a Trapezoid

• A = 1/2h(b1 + b2)
• A = bh
• A = 1/2bh

Area of a Square

• A = 1/2h(b1 + b2)
• A = bh
• A - 1/2bh

Which formula uses
∏r²

• area of a circle
• circumference of a circle
• area of a triangle
• area of a rectangle

Which formula uses

• area of a rectangle
• area of a triangle
• volume of a triangular prism
• area of a circle

How would you find the area of the rectangle

• length + width
• length x width
• (length x height) / 2 
• length x width x height

Which formula do you need to know the diameter of a circle?

• area of a circle
• circumference of a circle

Which formula for volume of a 

• length x width 
• length x width x height
• (length x width x height)/2
• length + width + height

What is the sum of the angles below?

• 90 degrees
• 180 degrees
• 360 degrees
• 270 degrees