The perimeter of a scalene triangle is 14.5 cm. the longest side is twice that of the shortest side. which equation can be used to find the side lengths if the longest side measures 6.2 cm? p choose the correct answer.

x + 9.3 = 14.5 can be used to find the side length.

Step-by-step explanation:

Given:

Perimeter of the Scalene triangle = 14.5 cm

The longest side is twice that of the shortest side.

Longest side = 6.2 cm

To find: Equation that can be used to find the side lengths.

let x be the length of the side which neither the longest nor the shortest.

Longest side = 2 × Shortest side

2 × Shortest side = Longest side

2 × Shortest side = 6.2

Shortest side =

Shortest side = 3.1 cm

According to the question,

x + 6.2 + 3.1 = 14.5

x + 9.3 = 14.5

Therefore, x + 9.3 = 14.5 can be used to find the side length.

answer:

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