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arlik [135]
10 months ago
11

The perimeter of the triangle shown is 89 meters. Find the length of each side.

Mathematics
2 answers:
natulia [17]10 months ago
4 0

<em>Greetings from Brasil...</em>

The perimeter is the sum of all sides of the triangle. In this case

P = (2X) + (X) + (4X - 9)

as P = 89

89 = (2X) + (X) + (4X - 9)

89 = 7X - 9

7X = 98

X = 98/7

<h3>X = 14</h3>

X:

X meters = X = 14

---------------------------------------------

2X:

2X meters = 2 · X = 2 · 14 = 28

---------------------------------------------

(4X - 9):

(4X - 9) meters = (4 · X - 9) = (4 · 14 - 9) = (56 - 9) = 47

olga55 [171]10 months ago
3 0
X=14
2x=28
4x-9=47

you solve for x after you add all the sides
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