Composite Figures (Concepts)

What is the formula for the area of a triangle?

• $A=\frac{bh}{2}$

• $A=s^2$

• $A=bh$

• $A=\pi r^2$

What is the formula for the area of a parallelogram?

• $A=\frac{bh}{2}$

• $A=s^2$

• $A=bh$

• $A=\pi r^2$

What is a semi-circle?

• A full circle

• One-half of a circle

• One-fourth of a circle

• One-third of a circle

What is a quarter-circle?

• A full circle

• One-half of a circle

• One-fourth of a circle

• One-third of a circle

How would you find the area of a semi-circle?

• Find the area of the circle then divide by 2

• Find the area of the circle then divide by 4

• Find the area of the circle then subtract 2

• Find the area of the circle then multiply by 2

How would you find the area of a quarter-circle?

• Find the area of the circle then divide by 2

• Find the area of the circle then divide by 4

• Find the area of the circle then subtract 2

• Find the area of the circle then multiply by 2

What three shapes make up the composite figure?

(select all that apply)

• Trapezoid

• Rectangle

• Triangle

• Circle

• Semi-circle

What is the formula for the area of a rectangle?

• $A=\frac{bh}{2}$

• $A=s^2$

•  $A=lw$  

• $A=\pi r^2$

What is the formula for the area of a square?
(select all that apply)

• $A=\frac{bh}{2}$

• $A=s^2$

•  $A=lw$  

• $A=\pi r^2$

What is the formula for the area of a circle?

• $A=\frac{bh}{2}$

• $A=s^2$

•  $A=lw$  

• $A=\pi r^2$