Similarity coefficient

The ratio of similarity of two equilateral triangles is 3.9 (ie 39:10). The length of the side of smaller triangle is 3 cm. Calculate the perimeter and area of ​​the larger triangle.

Result

p =  35.1 cm
S =  59.28 cm2

Solution:

Solution in text S =

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Pythagorean theorem is the base for the right triangle calculator. See also our trigonometric triangle calculator. See also our trigonometric triangle calculator.

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