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Ann [662]
3 years ago
13

A plus 5 is the side of an equilateral triangle. find it's perimeter

Mathematics
2 answers:
Bezzdna [24]3 years ago
6 0
A+5 = 1 side, so the perimeter is 3(a+5) or P = 3a+15
Nina [5.8K]3 years ago
3 0
One side = a + 5
there are 3 equal sides on an equilateral triangle

3(a+5) = 3a+15
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