The side lengths of four different triangles are given. Which triangle is not a right triangle? 5, 12, 13
7, 15, 18
12, 16, 20
16, 30, 34
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the answer is d

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step-by-step explanation:

46

step-by-step explanation:

given

height = 168 cm

formula

height =2.47*f+54.13

solution

168 = 2.47f + 54.13             subtract 54.13 from both sides

168 - 54.13   = 2.47f             combine

113.87 = 2.47f                     divide by 2.47

113.87 / 2.47 = f                   combine

46.1 = f  

answer: 46 cm