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Mathematics 20 Online
OpenStudy (anonymous):

What is the perimeter of a regular triangle with a side of 12.5 cm?

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.

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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