How does the author of "Edward Jenner and the History of Smallpox and Vaccination” support the claim that the World Health Organization achieved its goal to eliminate smallpox? by providing information about revaccination and mortality
by giving details about the World Health Assembly report in 1958
by quoting the World Health Assembly’s announcement in 1980
by stating that the group had a global campaign

geometry: triangles

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lessons

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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+

25.45584

493 would be the correct answer

step-by-step explanation: