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OpenStudy (anonymous):
What is the perimeter of a regular triangle with a side of 12.5 cm?
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OpenStudy (anonymous):
3*12.5=37.5 cm
OpenStudy (science0229):
Regular triangle's all 3 sides are same. So if one side is 12.5, the perimeter would be 3*12.5, or 37.5
OpenStudy (anonymous):
Perfect , thanks
OpenStudy (anonymous):
i got more if any of you want to answer
OpenStudy (science0229):
Sure.
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OpenStudy (anonymous):
Two triangles are similar and have a ratio of similarity of 2:3. What is the ratio of their perimeters and the ratio of their areas?
OpenStudy (science0229):
The ratio for perimeter is same as the ratio of the similarity. The ratio for area is the ratio of the similarity squared.
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