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If you have a 360o protractor, you draw one side of the angle, measure 245o round from this line and then draw in the other side of the angle, and then mark a small arc around the reflex angle.
If you only have a 180o protractor, you start again by drawing one side of the angle; then you measure 360o - 245o = 115o the "wrong way" round from this line to give the 245o the right way and draw in the other side, and then mark a small arc around the reflex angle.
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Is it possible to draw a reflex angle so the other angle formed by the arm is acute?
No, it is not possible to draw a reflex angle where the other angle formed by the arm is acute. A reflex angle measures between 180 and 360 degrees, while an acute angle measures less than 90 degrees. Therefore, the other angle formed by the arm in a reflex angle scenario would have to be obtuse, measuring between 90 and 180 degrees.
Is it possible to draw a reflex angle so the other angle formed by the arm is obtuse?
yes. if the reflex angle is 260 degrees, the other is 100 which is obtuse
What is the opposite side of a reflex angle?
A reflex angle is one that is more than 180 degrees but less than 360 degrees. If the reflex angle measured 190 degrees, then there would be a 170 degree, or obtuse, angle opposite it. If the reflex angle measured 270 degrees, then there would be a 90 degree, or right, angle opposite it. If the reflex angle measured 300 degrees, then there would be a 60 degree, or acute, angle opposite it. It helps to draw or picture these angles as sectors of a circle.
Is it possible to draw a qaudrilateral with a feflex angle and two obtuse angles?
No - simply because a 'reflex' angle (I think that's what you meant) is more than 180 degrees, and an obtuse angle is between 90 and 180 degrees.
How do you draw a triangle DEF that angle F measures 90 degrees?
It will be a right angle triangle with a 90 degree angle and 2 acute angles
