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Kat is painting the edge of a triangular stage prop with reflective orange paint. The lengths of the edges of the triangle are (3x – 4) feet, (x2 – 1) feet, and (2x2 – 15) feet. What is the perimeter of the triangle if x = 4?

User Ghasfarost
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1 Answer

10 votes

3(4^2) + 3(4) - 20

3(16) +12 - 20

48 - 8

=40

The perimeter is 40 feet

User Lars Kristensen
by
8.0k points
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