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obtuse angle
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The complement of an angle greater than 90 degrees is not an obtuse angle! It would be a negative angle, whose measure would be 90 minus the angle whose complement you require.
This would only make sense if the direction in which the angles were measured were fixed. For example bearings, which are always measured in the clockwise direction.
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Could a concave quadrilateral have more than one reflex angle?
A reflex angle is over 180 degrees, but the sum of the angles in a quadrilateral, concave or convex, is 360. Therefore, since 180+180=360, you can't have any more degrees even without the amount over 180 that the reflex angle has.
Which angle measure less than or equal to 360 is equivalent to an angle of 17π4?
To convert from radians to degrees, multiply by (180 / pi). In this case, if it gives you an angle over 360, subtract 360 repeatedly to get equivalent angles. Or you can repeatedly subtract (2 x pi) from the original angle (in radians), before doing the conversion.
What is the name of the angle over 180 dedrees?
An angle exceeding 180° is a reflex angle.
What are the advantages of third angle projection over the first angle projection?
Neglecting term "opposite".. In third angle projection, what we see are what are we going to draw
What is the reference angle to 960 degrees?
the referance angle of 960 is -60degrees u have to circle the graph twice so it would be 960-360-360=240 (the 360s are how many turns it takes because it only goes up to 360 degrees so you have to subtract 360 from 960 twice to get it a number that's not over 360). so u get 240 which is graph III the lower left corner and subtract it 180-240=-60. the angle should be connected with the x-axis never the y-axis..so never subtract from 90 or 270.
