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How do you measure angles that are more than 180 degrees?
Eitheruse a 360o protractor;measure it the other way (the non-reflex angle) and subtract from 360o;[faintly] draw in the 180o line of one arm of the angle, measure from this to the other arm and add 180o.
How do you measure the internal angles of a triangle?
Using a protractor, you place the "elbow" of the triangle under "0"-- zero. Line up the big black like that is in the middle of the protractor- the straight part to one side. Using a pencil, place it right on top of the other side. Read the number on the curved edge. You should get a number no more than 90 degrees on any one angle. All angles of a triangle-3 angles.... equal 180 when they are added together.
Which type of angle is greater than a right angle?
A right angle measures 90°. There are three angles that have greater measurement than a right angle. They are:Obtuse angles - They are angles that measure between 90° and 180°, but not exactly 90° and 180°. In other words, they measure less than 180° but greater than 90°.Straight angle - It is an angle that measure exactly 180°.Reflex angles - They are angles that measure greater than 180°.
What are 3 devices that can measure angles?
Protractor, Inclinometer (often shortened to Clinometer), Theodolite. You could also add Compass and Sine Bar (though the latter really sets rather than measures an angle).
What letters are obtuse?
They are the capital letters that have angles greater than 90 but less than 180 degrees and using a protractor will help to find them.
