Question

Write an expression for the perimeter of the triangle below 1.8k - 5, 3.5 + 6.1k, k + 1.5

Answer 1

1.8k-5+6.1k+3.5+k+1.5=180

Explanation:

1.8k-5+6.1k+3.5+k+1.5=180

1.8k+6.1k+k-5+3.5+1.5=180

8.9k=180

k=180/8.9

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