Find the missing length and round to the nearest tenth if necessary

Use the Pythagorean Theorem hypotenuse^2 = 10^2 + 3^2

hypotenuse^2 = 100 + 9

Hypotenuse^2 = 109

Hypotenuse = 10.4403065089

Answer is A

Step-by-step explanation:

5/12, or 5: 12

step-by-step explanation:

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