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Area of Irregular Shapes Worksheet

Calculate the area of various irregular shapes by decomposing them into simpler geometric figures.

Grade 9 Math GeometryAreaArea of Irregular Shapes
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Includes

3 Short AnswerFill in the BlanksTrue / False

Standards

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

Topics

mathgeometryareairregular shapesgrade 9
7 sections · Free to use · Printable
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Area of Irregular Shapes

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Read each question carefully and calculate the area of the irregular shapes. Show all your work.

1. Find the area of the shape below. All angles are right angles. (Units are in cm)

101053

2. Calculate the area of the composite figure shown. (Units are in meters)

864

3. To find the area of an irregular shape, you can often   it into simpler shapes like rectangles and triangles.

4. The area of a semicircle with radius 'r' is  .

5. You can always find the area of an irregular shape by multiplying its longest side by its shortest side.

T

True

F

False

6. The area of a shape is the amount of two-dimensional space it covers.

T

True

F

False

7. A garden plot is shaped like a rectangle with a semicircle attached to one side. The rectangle measures 10 feet by 6 feet, and the diameter of the semicircle is 6 feet. What is the total area of the garden plot?