# Diamond and angles

The internal angles in the diamond are 60° and 120°. Its side is 5 cm long. Find the area of a diamond.

## Correct answer:

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See also our right triangle calculator.

Most natural application of trigonometry and trigonometric functions is a calculation of the triangles. Common and less common calculations of different types of triangles offers our triangle calculator. Word trigonometry comes from Greek and literally means triangle calculation.

Most natural application of trigonometry and trigonometric functions is a calculation of the triangles. Common and less common calculations of different types of triangles offers our triangle calculator. Word trigonometry comes from Greek and literally means triangle calculation.

### You need to know the following knowledge to solve this word math problem:

**algebra**- expression of a variable from the formula
**planimetrics**- right triangle
- area of a shape
- rhombus
**goniometry and trigonometry**- sine

### Units of physical quantities:

### Grade of the word problem:

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