in a geometry book, perhaps?
the angle of elevation would be the angle between the horizon and the line of sight to whatever object you are measuring to. Lets say for instance that you see a plane, and you determine that it has an angle of elevation of 30 deg. This means that from the horizon, you would need to look up at an angle of 30 degrees to see that plane. below I linked to a diagram which illustrates it quite well. Hope this helped!
An angle that is 180 degrees would be considered a straight angle. 90 degrees is a right angle, anything less would be an acute angle and anything more would be obtuse.
the angle of elevation would be the angle between the horizon and the line of sight to whatever object you are measuring to. Lets say for instance that you see a plane, and you determine that it has an angle of elevation of 30 deg. This means that from the horizon, you would need to look up at an angle of 30 degrees to see that plane. below I linked to a diagram which illustrates it quite well. Hope this helped!
It would be an acute angle. The angle would be at 88 degrees.
An angle would only be a right angle if it was equal to 90 degrees. Anything less than that would be an acute angle and anything more would be obtuse.
An angle formed as a see-saw is a real life example.
I found a picture of a martini glass, and doing my best to measure the angle from the picture on the monitor, it looks like the bottom angle is about 70°, and the angle between the top edge and horizontal is about 55°. So that one would not be an obtuse angle. See related link.
No because you are standing on a angle on the moon so you would not see more than one side of the earth
It would be an obtuse angle.
in weldi ng the angle is pretty important, too much of an angle will lead to lost filler. a smaller angle (where you are pushing the electrode) causes a wider weld bc. of it relation to the pool. pulling it (larger angle) creates a thinner, taller weld. you would need to practice to see
An acute angle is an angle that is less than 90 degrees so that below would be an acute angle and so would and /
A supplementary angle is the one you would add to an angle to bring the total to 180°, In this that would be 15°.