5.2.5 - Area Review

What is the formula for Area of a circle?

• $C=2\pi r$

• $A=bh$

• $A=\pi r^2$

• $C=\pi d$

What is the formula for Circumference of a circle? (choose all correct answers)

• $C=2\pi r$

• $A=bh$

• $A=\pi r^2$

• $C=\pi d$

What is the formula for Area of a rectangle?

•  $A=\frac{bh}{2}$ 

• $A=bh$

• $A=\pi r^2$

•  $A=\frac{\pi r^2}{2}$ 

What is the formula for Area of a triangle?

•  $A=\frac{bh}{2}$ 

• $A=bh$

• $A=\pi r^2$

•  $A=\frac{\pi r^2}{2}$ 

What is the formula for Area of a semicircle (half circle)?

•  $A=\frac{bh}{2}$ 

• $A=bh$

• $A=\pi r^2$

•  $A=\frac{\pi r^2}{2}$ 

If the diameter is 8, the radius is?

If the radius is 5, the diameter is?

What is the total surface area of the square pyramid?

What is the total surface area of the triangular pyramid?

What is the total surface area of the square pyramid?