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UkoKoshka [18]
2 years ago
9

The area of this polygon is 228 square meters

Mathematics
1 answer:
Novay_Z [31]2 years ago
5 0

Answer: 7

Step-by-step explanation:

Let the unknown length be x

Cut the polygon into 2 pieces

6 * 24 + x * (18 - 6) = 228

144 + 12x = 228

12x = 84

x = 7

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