Want this question answered?
The last Boeing 727 was delivered to FedEx in the 1980's. I'll have to look up the exact date.
It was built over a number of years.
About a million and a half. As far as an exact number? They're bought in pounds, so not even Boeing knows. how many rivets used to construct the Boeing 747-100 series aircraft
circles don't have an exact angle and there are 360 degrees in a circle
An obtuse angle. A right angle has an exact measure of 90 degrees; an obtuse angle has a measure greater than 90 degrees.
60 degrees
Depending on the exact type, the cruising speed is about 475 knots, or 545 miles per hour.
Either can be greater, depending on the exact angles involved.
Less than 90 degrees.
What is this "this" you are talking about? The word "this" is not an angle, it's a word, a demonstrative determinative, to be exact.
an acute angle doesn't have an exact measurement, but it is lower than 90 degrees. So any angle below 90 degrees is an acute.
172.5 degrees