9 30 Kirby, Colton and Bella are having a disagreement. Their teacher asked them to simplify
the following expreſsion: 9° •98
Kirby thinks the answer is
Colton thinks the answer is 1
Bella thinks the answer is 81"
Which one of the students, if any, is correct? Explain why he or she is correct. Show all
of your supporting work in the box below and describe your reasoning in words.
971

You must be dumb and have no friends

I feel bad for you

geometry: triangles

solvers

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+

25.45584

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step-by-step explanation: