Roof angle

The house's roof has the shape of an isosceles triangle with arms 4 m long and the size of the base 6 m. How big an angle alpha does its roof make?

Correct answer:

A =  41.4096 °

Step-by-step explanation:

r=4 m z=6 m  a=z/2=6/2=3 m  cosA=a:r  A=π180°arccos(a/r)=π180°arccos(3/4)=41.4096=41°2435"



Did you find an error or inaccuracy? Feel free to write us. Thank you!







Tips for related online calculators
See also our right triangle calculator.
See also our trigonometric triangle calculator.

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


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

Related math problems and questions: