a2 + b2 = c2, use for right triangles
the middle of a line
an angle that measures 90º
d = rt (d is distance, r is rate/speed, t is time)
the biggest side of a right triangle, opposite of 90º (c)
the 2 small sides of a right triangle (a and b)
x^2, means multiply the number times itself
equal factors; ex: 36: 66 NOT 94
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