Geometry Concepts Quiz

What is the formula for calculating the perimeter of a rectangle?

• length * width

• 2 * (length + width)

• pi * radius^2

• 4 * side

How do you calculate the area of a triangle?

• length * width

• 1/2 * base * height

• pi * radius^2

• base * height

What is the formula for the area of a circle?

• pi * radius^2

• 2 * pi * radius

• pi * diameter

• radius * diameter

If a circle has a diameter of 10, what is its circumference in terms of Pi?

• 10 Pi

• 5 Pi

• 25 Pi

• 20 Pi

A rectangle has a length of 125 ft and a width of 30 ft. What is its area?

• 3,750 ft^2

• 3,750 ft

• 310 ft^2

• 310 ft

If a triangle has a base of 2.9 and a height of 8.1, what is its area?

• 5.8

• 11.745

• 23.49

• 16.2

How many feet of fencing is needed for a yard that is 25 ft by 18 ft?

• 86 ft

• 43 ft^2

• 86 ft^2

• 43 ft

If one can of paint covers 65 square feet, how many cans are needed to paint a wall that is 5 ft high and 98 ft long?

• 7 cans

• 9 cans

• 8 cans

• 10 cans

What is the area of a square lawn with a side length of 19 ft, excluding a 2 ft by 2 ft cement fountain in the center?

• 324 ft^2

• 400 ft^2

• 361 ft^2

• 357 ft^2

How do you calculate the waste area in a sheet of metal after stamping out nine circular discs with a diameter of 10 inches?

• 900 - 50 Pi

• 900 - 25 Pi

• 900 - 100 Pi

• 900 - 225 Pi