Posted by **Evelyn** on Saturday, September 28, 2013 at 10:00pm.

screen sizes (TVs, computers) are given by measuring the length of the diagonal. If the base length of a 40-inch TV is 32", what is the surface area of the TV screen?

- Math -
**Jerry**, Saturday, September 28, 2013 at 10:33pm
The base length, the screen height and the screen diagonal form a right-angle triangle.

Therefore, you can use pythagorean theorem to calculate screen height:

sqrt(40**2 - 32**2) = 24.0

Then surface is length by height:

32 * 24 = 768

## Answer this Question

## Related Questions

- math - screen sizes (TVs, computers) are given by measuring the length of the ...
- Math - A flat screen television is sized depending on the length of the diagonal...
- ALGEBRA - The size of a television is given by the length of the diagonal of the...
- Algebra 1 - The size of a computer monitor is given by the length of the ...
- Math - The area of a 25 inch TV screen is 300 square inches. The area of a 40 ...
- Mathhhhhhhh - HIIIIIIIIII!!!!!!!!!!! A television set may be described in terms ...
- 7th grade math - Computer catalog has a computer monitor that is 19 inches. The ...
- geometry - Yuki just bought a big screen TV set. The screen has a diagonal ...
- Mathematics . - I need some help with this specific question. In a computer ...
- Algebra - Sandy purchases an entertainment center that has an opening measuring ...