Posted by **Alex** on Sunday, April 7, 2013 at 12:09pm.

in triangle DEF,<D=50 degree, DE=14 meters, and DF=10 meters. find the area of triangle DEFto the nearest tenth of a square meters

- Math -
**Reiny**, Sunday, April 7, 2013 at 12:39pm
If you have a triangle with sides a and b and Ø is the angle between them, then the area is

(1/2)ab sinØ

you have that condition, so

Area = (1/2)(14)(10)sin50° = appr 53.623

or to the nearest tenth ----> 53.6 m^2

## Answer this Question

## Related Questions

- 11th grade math - in triangle DEF,<D=50 degree, DE=14 meters, and DF=10 ...
- math - The area of a triangle is 80 square meters and the base measures 20 ...
- Trig functions and such - 1)Find the exact value of cot(-315) A)1 B)square root ...
- math - the area of a triangle is 90 square meters and the height is 12 meters. ...
- geometry - A piece of property is in the form of a right triangle with sides ...
- math - Area of a Triangle. The area in square meters of a triangle is given by A...
- math - find the area of a rectangle that is 4 meters by 8 meters. A-12 SQUARE ...
- math - The Harveys keep their goat on a 3-meter chain connected to a metal hook ...
- Geometry - Can you check these multiple choice questions thanks. 1. What is the ...
- Pre-Algebra - A triangle is enlarged by a scale factor of 10/3. a) If the ...