Example 4, find the length of the hypotenuse of the triangle to do. From the picture you can see that requiring a triangle. So we can use the theory of Pythagoras, the length of the triangle is not the picture that AB2 = AC2 + BC2 AB2 = 82 + 152 AB2 = 64 + 225 AB2 = 289 AB = 17 , therefore AB 17-unit's answering service. hypotenuse of length 17
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