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borishaifa
[10]
3 years ago
12
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?
Mathematics
Answer
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2
answers:
matrenka
[14]
3 years ago
8
0
Answer:
40 feet
Step-by-step explanation:
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Serggg
[28]
3 years ago
7
0
Given:
edge 1 = 3x - 4
edge 2 = x² - 1
edge 3 = 2x² - 15
perimeter if x = 4
edge 1 = 3(4) - 4 = 12 - 4 = 8
edge 2 = 4² - 1 = 16 - 1 = 15
edge 3 = 2(4²) - 15 = 2(16) - 15 = 32 - 15 = 17
Perimeter = 8 + 15 + 17 = 40 feet.
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