You must measure the angle with a measurement tool and then write down the angles on paper and do the equation yourself and see what you get if it doesn’t match with one person there wrong if it does match and they solved it the way you did that’s the person that did it right.
Hope this helps:D
A) Mantua when he gets banned from the city!
Answer:
Well based on the fact that the very first patented rock crushing machine was made in the year 1830, and the first successful, Eli Whitney Blake's, was in 1858, I'd say the development process was around 30 years.
