# Rhombus

See how to solve a rhombus

(diagonals/angles/area).

4 examples and their solutions.

## Rhombus: Definition

### Definition

## Rhombus: Diagonals

### Property

### Example

## Rhombus: Angles

### Property

m∠1 = m∠1'

m∠2 = m∠2'

### Example

m∠ABC, m∠PAB = ?

Solution ↓

m∠ABC = 50 + 50

= 100

↓

↓

m∠PAB + 50 + 90 = 180 - [1]

m∠PAB + 140 = 180

m∠PAB = 40

[1]

Close

## Rhombus: Area

### Formula

a, b: diagonals

A = 12ab

### Example

AC = 12, BD = 7, Area?

Solution A = 12⋅12⋅7

= 6⋅7

= 42

Close