A square has four right angles (90°). Each diagonal splits a corner into two angles of 45°. Note also that the diagonals cut each other in half at right angles. A rectangle has four right angles.
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The Family Handyman on MSN10 Handy Hints To Get More Out of Your Speed SquareIf you need to rip wood, then the Speed Square can be an asset as well. Because of its lipped fence you can make a straight line the length of the board. It features ¼-inch incre ...
The same number of arcs means the angles are the same size. A square marked at a vertex shows an angle that is exactly 90°. Image caption, The longest side of a triangle is opposite the largest ...
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