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Ket [755]
3 years ago
10

Help me with work please i don't understand please enlighten me.

Mathematics
1 answer:
Bingel [31]3 years ago
7 0
A "regular polygon" has 5 sides, all of the same length.

"Perimeter" means the total distance around the figure (polygon).

Since all of the sides have the same length, 3(x - 1) = 5x - 6.

Then 3x - 3 = 5x - 6.  Solving for x, 2x=3, and x = 3/2.

Then the length of one side is 3(3/2 - 1) = 3(1/2) = 3/2.
Check:  Does 5x - 6 also produce 3/2?  5(3/2) - 6 = 15/2 - 12/2 = 3/2.  Yes.

Thus, the perimeter is 5 times that:    P = 5(3/2) = 15/2 (answer)
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