Calculating Area and Circumference of 2D Shapes

What is the area of a square with side length 4?

• 12

• 4

• 8

• 16

If a rectangle has a length of 4 and width of 6, what is its area?

• 18

• 20

• 10

• 24

How do you calculate the area of a triangle?

• Half base plus height

• Base times height

• Half base times height

• Base plus height

What is the area of a triangle with a base of 6 and height of 4?

• 20

• 10

• 24

• 12

What defines the bases in a trapezoid?

• All sides

• The perpendicular sides

• The parallel sides

• The longest sides

Calculate the area of a trapezoid with bases 4 and 6, and height 5.

• 25

• 50

• 45

• 30

What is the formula for the area of a circle?

• Radius squared divided by pi

• Pi times diameter

• Two times pi times radius

• Pi times radius squared

What is the value of pi used in classroom settings?

• 3.14

• 3.14159

• 22/7

• 3.141

What is the circumference of a circle with a radius of 3?

• 6

• 9

• 28.26

• 18.84

How do you calculate the circumference of a circle?

• Pi times radius squared

• Radius times two

• Two times pi times radius

• Pi times diameter