Complete each statement with the number used to create an equivalent fraction. Multiply to by in both the numerator and denominator to get a
Multiply by in both the numerator and denominator to get 15
Multiply by in both the numerator and denominator to get
Multiply by in both the numerator and denominator to get
30
28
24
5

the 2 figures are congruent bc if you reflect abcd over the y axis then over the d axis the figures overlap

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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