Draw a 'L' shape, but instead of drawing a square for the right angle, draw 3/4 of a circle around the rest of the angle. 360 - 90 = 270.
b) don't think so. in a triangle all of the angles have to be line segments. line segments aren't circular. You simply can't draw a 270 degree triangle. its impossible.
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draw the outside angle if you want to show 270 degrees then you draw a 90 degree angle but draw the circle outside of it
Use a protractor to draw a 55 degree angle and indicate that the angle needs to be measured once around the circle and then some.
Unless you are ready for some complicated trigonometry, I would suggest that you use a protractor and draw a 50 degree angle BEYOND a right 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.
An angle of 270 degrees looks exactly like a right angle ... 90 degrees ... but instead of measuring itacross the short opening, you measure it "outside", around the long way.