7th grade week 5 May 18th

What is this line across the circle

(a)  

What is the point in the middle of the circle

(a)  

What is the line from the middle of the circle to the edge.

(a)  

What is the distance around a circle called?

(a)  

What is the formula for circumference

• $\pi r^2$

• $2\pi r$

• rd

• 2rd

What is the approximate value of  $\pi$  ?

• 3.14

• 2.78

• 15

• pie

What is the formula for area of a circle?

• $2\pi r$

• $\pi r^2$

• $\frac{4}{3}\pi r^3$

• 42

What is the formula for the volume of a rectangular prism.

• length x width x height

• length x width

• $\pi r^2$

• 42

What is the formula for the volume of a triangular prism?

• $\frac{bh}{2}H$

• length x width x height

• $2\pi r^2$

• 42