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lilavasa [31]
3 years ago
6

Ron used 121 congruent equilateral triangles with 2 cm side lengths to form one large equilateral triangle. What is the perimete

r of the large triangle?
Mathematics
1 answer:
Pepsi [2]3 years ago
5 0
The number of smaller triangles along one side of the larger triangle is the square root of the total number of triangles. The perimeter of the large triangle is ...
  3*(2 cm)*√121 = 66 cm
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