Question

What is the measurement of theta in degrees?

Answer 1

Hello from MrBillDoesMath!

Answer:  48.2 degrees

Discussion:

In the diagram, "6" is the x- distance along the side adjacent to theta, and  

3 * sqrt(5) is the y-distance along the side opposite angle theta.

By definition of tangent of angle, using "@" for theta, we have

tan (@)        =  opposite/adjacent = 3 * sqrt(5) / 6  = sqrt(5)/2

So @ = (inverse tangent (sqrt(5)/2) )  =  48.189 degrees (approximately)

             

Thank you,

MrB