De8rpatroxLong De8rpatroxLong

25-05-2016
Mathematics

contestada

The perimeters of similar triangles are in the same ratio as the corresponding sides.
a. True
b. False

Respuesta :

Petroniusz Petroniusz

25-05-2016

truth

ewidence
k - scale similarities
a,b,c = sides of the triangle
p - perimeter of a triangle

k*a + k*b + k*c = k(a+b+c) = k*p

triangles
a = 3
b = 15
c = 14

triangles 1:2
2a = 2*3 = 6
2b = 2*15 = 30
2c = 2*14 = 28

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