A scalene triangle has 3 sides of different lengths and 3 unequal angles. An isosceles triangle has 2 sides of equal length. The dashes on the lines show they are equal in length. The angles at the ...
An angle is the space between two lines that start at the same point. This point is called the vertex. Angles measure the size of a turn in degrees. You can show degrees using the symbol ° after the ...
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