Home / Worksheets / Grade 8 / Math / Area of Irregular Shapes Worksheet

Area of Irregular Shapes Worksheet

This worksheet helps Grade 8 students practice calculating the area of irregular shapes by decomposing them into simpler geometric figures.

Grade 8 Math GeometryAreaArea of Irregular Shapes
Use This Worksheet

Includes

3 Short AnswerFill in the BlanksMultiple Choice

Standards

CCSS.MATH.CONTENT.7.G.B.6

Topics

mathgeometryareairregular shapesgrade 8
7 sections · Free to use · Printable
← More Math worksheets for Grade 8

Area of Irregular Shapes

Name:

Date:

Score:

Read each question carefully and calculate the area of the irregular shapes. Show your work for full credit.

1. Find the area of the irregular shape below. All angles are right angles. Dimensions are in meters.

10 m10 m5 m5 m

2. An irregular shape can often be broken down into simpler geometric figures like rectangles, triangles, and  .

3. To find the area of an irregular shape, you should first   it into familiar shapes.

4. Calculate the area of the L-shaped figure. All dimensions are in feet.

15 ft5 ft10 ft5 ft

5. Which method is generally used to find the area of complex irregular shapes?

a

Using a protractor

b

Decomposing into simpler shapes

c

Measuring the perimeter

d

Estimating by eye

6. A garden path has the shape shown below. Calculate its area. All dimensions are in feet.

15 ft5 ft10 ft5 ft10 ft