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gulaghasi [49]
3 years ago
8

Find the length of the longest side of the triangle if the perimeter is 23.

Mathematics
2 answers:
Elden [556K]3 years ago
5 0

Answer:

12

Step-by-step explanation:

Add up the given side lengths : 4x + 3x - 5 + 2x + 1 = 9x - 4 and this is equal to 23

9x - 4 = 23 ➡ 9x = 27 ➡ x = 3

The side lengths will be 12, 7, and 4

The longest one would be 12 if we replace x with the value we found.

Dmitry [639]3 years ago
3 0

Answer:

A, 3 units. Plug in each number where x is and see which sums up to 23. Hope this helped :) !

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