mel5766
mel5766
16-04-2020
Mathematics
contestada
Use pythagorean theorem to solve the questions
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stickyyam
stickyyam
16-04-2020
a^2 + b^2 = c^2
9^2 + b^2 = 12^2
81 +b^2 = 144
-81 (subtract 81 from both sides of the equation)
b^2 = 63
b = square root of 63
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