Area of Polygons

Presentation

•

Mathematics

•

5th - 6th Grade

•

Hard

Joseph Anderson

FREE Resource

10 Slides • 16 Questions

Area of Polygons Review

Area of a Parallelogram

Area = Base x Height
Remember the base and the height are always perpendicular to each other. Look for the right angle box and the dotted lines to identify the height.

Area of a Parallelogram Formula

Area = Base x Height
a = bh

Multiple Choice

Which is the correct area formula for Parallelograms?

Multiple Choice

What is the area of the parallelogram?

18 sq. units

15 sq. units

7.5 sq. units

9 sq. units

Multiple Choice

What is the area of the polygon?

$45\ mm^2$

$27\ mm^2$

$15\ mm^2$

$135\ mm^2$

Multiple Choice

Find the area.

60 in

60 in²

50 in

50 in²

Multiple Choice

What is the area of the shaded region?

4 cm²

16 cm²

8 cm²

12 cm²

Area of Triangles

There are two formulas for finding the area of a triangle
a= bh/2
a= (1/2)bh

Multiple Choice

Find the area of the triangle.

20 cm²

56 cm²

28 cm²

27 cm²

Multiple Choice

What is the area?

12 cm²

14 cm²

24 cm²

Multiple Choice

Mrs. Bailey has a Rangers pennant that has a base of 12 inches and is 20 inches tall. What is the area of the Rangers pennant?

240 in²

120 in²

32 in²

24 in²

Area of a Trapezoid

There are two ways to find the area of a trapezoid
(b₁+ b₂) x h / 2
1/2 (b₁+b₂)
Use the formula that you feel comfortable using for the next few problems

Multiple Choice

True or false. A trapezoid has 2 bases.

True

False

Multiple Choice

In a trapezoid, the bases are always_________.

congruent

parallel

perpendicular

Multiple Choice

What is the area of this trapezoid?

65 sq. meters

32.5 sq. meters

26 sq. meters

52 sq. meters

Multiple Choice

What is the area of this trapezoid?

12 sq. units

24 sq. units

48 sq. units

96 sq. units

Multiple Choice

Find the area of the trapezoid.

17 in²

35 in²

17.5 in²

12 in²

Multiple Choice

Find the area of this composite figure.

* Hint it is composed of a rectangle and triangle.**

324 ft ²

234 ²

310 ft²

320ft²

Multiple Choice

What is the area of this shape?

27 sq. ft.

11.5 sq. ft.

18 sq. ft.

21 sq. ft.

Multiple Choice

How are you feeling about the quiz on Friday?

I am ready!

I feel good but I need a little more practice

I am nervous

I don't know area at all

Area of Polygons Review

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