Equilateral: All angles of a triangle are 60 degrees, they are all equal.
Right: One angle is 90 degrees (right angle), the other 2 are acute.
Acute: All three angle are acute (less than 90 degrees).
Obtuse: One obtuse (greater than 90 degrees) angle.
Isosceles: Two sides of equal lenght, 2 equal angles.
Scalene: No sides of equal length, angles are all different in size.
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12squigally2
12 2
72, 72, 36
...a right triangle.
is the perimeter of the triangle whose sides measure 7.5 7.1 and 8.1