Area of Parallelograms, Trapezoids, and Graphed ShapesLesson 7.3AM.3.G.2 Apply, using appropriate units, appropriate formulas (area, perimeter, surface area, volume) to solve application problems involving polygons, prisms, pyramids, cones, cylinders, spheres as well as composite figures, expressing solutions in both exact and approximate forms

Area of a Parallelogram

The formula for a rectangle works for any parallelogram.

Formula for area of a parallelogram:

A = bh

Example

Find the area of the given parallelogram

4'

9’

5'

Now You Try…

Find the area of the given parallelogram

5cm

3cm

8 cm

Trapezoids

Formula for area of a trapezoid:

2

21 bbhA

13

54

7

Example

Find the area of the given trapezoid.5 ft

10 ft

7.8 ft6 ft

Example

Find the area of the given trapezoid.

6012 cm

4 cm

Now You Try…

Find the area of the given trapezoid.

9.2 m

7 m

4 m10 m

Now You Try…

Find area of the given isosceles trapezoid.

45

24 yd

25 yd

Area of Graphed Shapes

Find the area of the given shape.

5-5 -1-2-3-4 1 2 3 4

1

2

3

4

5

-1

-2

-3

-4

-5