A forty five degree angle is one half of a right angle. And it is one equal angles of an isosceles right triangle. It is also a construction measurement for cornices.
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1. Hold the ruler on the trisquare against the edge of the angle you are measuring. The sharp end of the angle should be pointing to the sliding angular end of the trisquare. 2.
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It is an angle that divides a right angle in half. It measures an eighth of a circle or pi/4 radians.
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1. Make sure the soda can you are going to use is half full. The precise amount in the can makes all the difference to its balancing ability. 2. Tilt the can at a 45 degree angle
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