IXL | Area of composite figures II

What is the area of this figure?

10 km

5 km

3 km

14 km

10 km

4 km

2 km

9 km

Write your answer using decimals, if necessary.

square kilometers

ref_doc_title.

Learn with an example

question

What is the area of this figure?

10 m

5 m

10 m

11 m

15 m

23 m

10 m

6 m

Write your answer using decimals, if necessary.

square meters

solution

Divide the figure into separate shapes:

10 m

5 m

10 m

11 m

15 m

23 m

10 m

6 m

Start with rectangle

Rectangle

is 20 meters wide and 6 meters tall.

Multiply:

120

The area of rectangle

is 120 square meters.

Look at rectangle

Rectangle

is 10 meters wide and 5 meters tall.

Multiply:

The area of rectangle

is 50 square meters.

Look at triangle

Triangle

is 15 meters wide and 23 meters tall.

Solve for the area of triangle

172.5

The area of triangle

is 172.5 square meters.

Now add the areas of all the shapes.

120

172.5

342.5

The area is 342.5 square meters.

Looking for more? Try these:

Lesson: Area of compound shapes

$Confetti$

Excellent!

Now entering the Challenge Zone—are you ready?

Teacher tools

Work it out

Not feeling ready yet? These can help:

Area of composite figures I

Area of acute and right triangles

TT.1Area of squares and rectangles

Lesson: Area of compound shapes

Excellent! You got that right!

Jumping to level 1 of 1

Excellent!