Triangle

Calculate the area of right triangle ΔABC if one leg has length 12 and the angle opposite to it is 47°.

Final Answer:

S =  67.1

Step-by-step explanation:

a=12 α=47   S=2 tanαa2=2 tan47° a2=2 tan47° 122=2 1.072369122=67.1

Try calculation via our triangle calculator.




Help us improve the example. If you find a mistake, let us know. Thank you!







Tips for related online calculators
See also our right triangle calculator.
Do you want to convert area units?
See also our trigonometric triangle calculator.
Try conversion angle units angle degrees, minutes, seconds, radians, grads.

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

planimetricsgoniometry and trigonometryUnits of physical quantitiesGrade of the word problem

 
We encourage you to watch this tutorial video on this math problem: video1

Related math problems and questions: