IXL | Find the area of complex figures with missing side lengths

What is the area of this figure?

3 m

7 m

2 m

6 m

square meters

ref_doc_title.

Learn with an example

question

What is the area of this figure?

2 mi

9 mi

7 mi

8 mi

square miles

solution

Divide the figure into rectangles:

2 mi

9 mi

7 mi

8 mi

Start with rectangle

Rectangle

is 8 miles wide and 7 miles tall.

Multiply:

The area of rectangle

is 56 square miles.

Look at rectangle

Rectangle

is 9 miles wide and 9 miles tall.

Multiply:

The area of rectangle

is 81 square miles.

Now add the areas of the two rectangles:

137

The area is 137 square miles.

Looking for more? Try these:

Lesson: Area of compound shapes

$Confetti$

Excellent!

Now entering the Challenge Zone—are you ready?

Questions
answeredQuestions

Time
elapsedTime

hr	min	sec
00	00	02

SmartScore
out of 100
IXL's SmartScore is a dynamic measure of progress towards mastery, rather than a percentage grade. It tracks your skill level as you tackle progressively more difficult questions. Consistently answer questions correctly to reach excellence (90), or conquer the Challenge Zone to achieve mastery (100)! Learn more

Teacher tools

Work it out

Not feeling ready yet? These can help:

OO.16Find the area of complex figures

Lesson: Area of compound shapes

Excellent! You got that right!

Jumping to level 1 of 1

Excellent!