MEASUREMENT FORMULAS

The circumference of a circle is....

• the amount of space inside the circle

• the area within a circle

• the distance around the circle

• the length across the middle of the circle

The formula for the Circumference of a circle is...

•  $C\ =\ 2\pi r^2$  

•  $C\ =\ 2\pi d^{ }$  

•  $C\ =\ 2\pi d^2$  

•  $C\ =\ 2\pi r$  

 $A\ =\ \frac{bh}{2}$  is the formula for ..

• the area of a parallelogram

• the area of a triangle

• the area of a trapezium

• the area of a rectangle

The formula for the area of a parallelogram is

•  $A\ =\frac{\text{(a+b)h}}{\text{2}}$ 

• $A\ =\ \frac{\text{bh}}{\text{2}}$

• $A\ =\ lw$

• $A\ =\ bh$

The formula for the area of a trapezium is

•  $A\ =\frac{\text{(a+b)h}}{\text{2}}$ 

•  $A\ =\ 2lwh$ 

•  $A\ =\ \frac{lwh}{3}$ 

• $A\ =\ bh$

  $A\ =\ \pi r^2$  is ...

• the area of a circle

• the surface area of a circle

• the circumference of a cirle

• the volume of a sphere

The nets of the prism and cylinder help to calculate the shape's

• perimeter

• area

• surface area

• volume

The volume of a rectangular prism is....

• V = 2(lw + lh + wh)

• V = lwh

• V = (lwh)³

• V = 3lwh

The surface area of a circular prism is...

• $SA\ =\ 2\pi r^2h$

• $SA\ =\ 2\pi r^2+\ 2\pi rh$

• $SA\ =\ \pi r^2\ +\ \pi r^2\ +\ h$

• $SA\ =\ \pi r^2\ +\ \pi dh$

The volume of a circular prism is...

• $SA\ =\ 2\pi r^2h$

• $SA\ =\ 2\pi r^2+\ 2\pi rh$

• $SA\ =\ \pi r^2\ +\ \pi r^2\ +\ h$

• $SA\ =\ \pi r^2\ +\ \pi dh$