IXL | Area of composite figures I

What is the area of this figure?

2 yd

3 yd

17 yd

5 yd

14 yd

square yards

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Learn with an example

question

What is the area of this figure?

9 mm

12 mm

6 mm

3 mm

15 mm

square millimeters

solution

Divide the figure into rectangles:

9 mm

12 mm

6 mm

3 mm

15 mm

Start with rectangle

Rectangle

is 3 millimeters wide and 15 millimeters tall.

Multiply:

The area of rectangle

is 45 square millimeters.

Look at rectangle

Rectangle

is 12 millimeters wide and 9 millimeters tall.

Multiply:

108

The area of rectangle

is 108 square millimeters.

Now add the areas of the two rectangles:

108

153

The area is 153 square millimeters.

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 acute and right triangles

TT.1Area of squares and rectangles

Lesson: Area of compound shapes

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