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Area of Polygons Worksheet

Grade 8 Math worksheet focusing on calculating the area of various polygons including triangles, rectangles, parallelograms, trapezoids, and composite figures.

Grade 8 Math GeometryAreaArea of Polygons
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Includes

Multiple ChoiceFill in the Blanks2 Short AnswerTrue / False

Standards

CCSS.MATH.CONTENT.8.G.A.5

Topics

mathgeometryareapolygonsgrade 8
7 sections · Free to use · Printable
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Area of Polygons

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Read each question carefully and calculate the area of the given polygons. Show all your work.

1. What is the formula for the area of a trapezoid?

a

A = lw

b

A = 0.5bh

c

A = 0.5h(b1 + b2)

d

A = bh

2. A square has a side length of 7 cm. What is its area?

a

14 cm²

b

28 cm²

c

49 cm²

d

70 cm²

3. The area of a triangle with a base of 10 units and a height of 8 units is   square units.

4. A parallelogram with a base of 12 inches and a height of 5 inches has an area of   square inches.

5. Calculate the area of the rectangle shown below.

10 cm5 cm

6. Find the area of the triangle with a base of 14 m and a height of 9 m.

14 m9 m

7. The area of a parallelogram is always less than the area of a rectangle with the same base and height.

T

True

F

False

8. A composite figure is made up of a rectangle with dimensions 8 ft by 6 ft and a triangle attached to one of the 8 ft sides, with a height of 4 ft. What is the total area of the composite figure?