# Widescreen monitor

Computer businesses were hit by a wave of widescreen monitors and televisions. Calculate the area of the LCD monitor with a diagonal size 20 inches at a ratio of 4:3 and then a 16:9 aspect ratio.

Is buying widescreen monitors with the same diagonal more advantageous than buying a 4:3 monitor?

Is buying widescreen monitors with the same diagonal more advantageous than buying a 4:3 monitor?

### Correct answer:

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See also our trigonometric triangle calculator.

Do you want to convert area units?

See also our trigonometric triangle calculator.

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

**algebra**- inequalities
**arithmetic**- square (second power, quadratic)
- exponentiation
**planimetrics**- Pythagorean theorem
- right triangle
- area of a shape
- triangle
- rectangle

#### Units of physical quantities:

#### Themes, topics:

#### Grade of the word problem:

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