Derive and Apply Area Formulas for Quadrilaterals

Area of Triangles & Quadrilaterals

What is a quadrilateral? 

Any Shape with with four (4) sides.

To Find the area of a Quadrilateral 

length x width  OR 

Base X height  

3 x 2 = 6

Area of Quadrilaterals

Base X Height

Multiple Choice

Find the area.

• 13

• 36

• 94

• 18

Area of a square is side x side or  $s^2$   

Multiple Choice

What is the area of a square with a side length of 5 inches?

• 10 square inches

• 25 square inches

• 20 square inches

Fill in the Blanks

Area of a parallelogram is the same as a rectangle: base x height

Multiple Choice

Find the area in square inches.

• 24

• 10

• 48

Fill in the Blanks