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Rhombuses

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What is a rhombus?

A rhombus is a

two-dimensional shape

with four equal sides.

A rhombus is a special type of these shapes:

Quadrilateral
:
four sides
Parallelogram
:
quadrilateral with two pairs of parallel sides

A

is a special type of rhombus. It has four equal sides and four right angles.

Try some practice problems!

Loading inline skill Identify rhombuses...

Identify rhombuses

Area of a rhombus

You can find the area of a rhombus by multiplying

1

2

times the first diagonal times the second diagonal.

A

r

e

a

=

1

2

×

d

i

a

g

o

n

a

l

1

×

d

i

a

g

o

n

a

l

2

Let's try it! In the rhombus below, the first diagonal is 6

units.

The second diagonal is 8

units.

Plug those numbers into the equation.

A

=

1

2

×

6

×

8

A

=

3

×

8

A

=

24

So, the area of the rhombus is 24 square units!

Try some practice problems!

Loading inline skill Area of rhombuses...

Area of rhombuses

Perimeter of a rhombus

You can find the

of any shape by adding the side lengths. Since rhombuses have four equal side lengths, you can find the perimeter of a rhombus by multiplying 4 times the side length.

P

e

r

i

m

e

t

e

r

=

4

×

s

i

d

e

length

Let's try it! The side length of this rhombus is 5 units.

Multiply the side length by 4.

4

×

5

=

20

So, the perimeter of the rhombus is 20 units!

Related

Skills

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