Cars.
Radio.
Television.
More advanced cars
Mobile phones
I think is yes because if they never occurred than no one would discovered or have those things they will have to try to make them by themselves
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
Answer:
The domesdays book or doomsday book
Explanation:
Hope this helps! :)
