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blagie [28]
3 years ago
15

The mean length of the sides of a triangular plot of land is 18 yards.

Mathematics
1 answer:
Sunny_sXe [5.5K]3 years ago
8 0
The mean is all of them added together divided by the number, so multiple the mean by the number of sides, 3, and that's the perimeter. 18 x 3 = 54
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