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3. the last one

6. Spiritual

Step-by-step explanation:

Sry but the pictures are blurry, can you maybe try re-taking them or type the problems out so i can understand them that way i can help you answer the problems? Thx in advance and I promise to answer afterwards! Have a great day :)

this is answer of 144 cubic meters

geometry: triangles

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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