Review of Area of Polygons

What shape is this?

• Triangle

• Parallelogram

• Trapezoid

What formula do we use to find area?

• $A=bh$
  

• $A=\frac{1}{2}bh$

• $A=\frac{1}{2}h\left(b_1+b_2\right)$

What is the area of the parallelogram above?

• 13 cm²

• 28.5 cm²

• 45.6 cm²

• 40 cm²

What is this shape?

• Triangle

• Parallelogram

• Trapezoid

What formula do we use to find the area?

• $A=bh$

• $A=\frac{1}{2}bh$
  

• $A=\frac{1}{2}h\left(b_1+b_2\right)$
  

Find the area of the parallelogram.

• 12 units²

• 10 units²

• 13 units²

• 6 units²

What is this shape?

• Triangle

• Parallelogram

• Trapezoid

Which formula do we use for area?

• $A=bh$

• $A=\frac{1}{2}bh$

• $A=\frac{1}{2}h\left(b_1+b_2\right)$

What is the area of this triangle?

• 108 cm²

• 54 cm²

What is this shape?

• Triangle

• Parallelogram

• Trapezoid