Selena rewrote the expression 36 + 54 as two factors using the greatest common factor and the distributive property. What expression did Selena create?

18 ( 2+3)

Step-by-step explanation:

36 + 54

We can factor out 18 from both terms

18*2 + 18*3

18 ( 2+3)

the answer is simply just 6n add the two together as they have an n

geometry: triangles

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lessons

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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