Will make brainiest if answer correctly with explanation

a small triangle and a larger triangle are shown below. the two triangles are similar. what is the perimeter of the larger triangle

It would be 490  or 108

Step-by-step explanation:

multiply the perimeter thats all

60

Step-by-step explanation:

a side 21

b base 18

c side 21

3 is greater then both of those numbers

geometry: triangles

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answers archive

call the larger triangle abc

then the smaller triangle cde is similar to abc (all angles are equal, aaa).  

ab is the side that is 36, and we wish to find de, the side corresponding to ab

area_cde = area_abc - area_cde --> area_abc / area_cde = 2

let x=length of de

ratio of areas = (ratio of sides)^2

+2+=+%2836%2fx%29%5e2+

+2+=+1296%2fx%5e2+

++x%5e2+=+1296%2f2+=+648+

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