Which will give the best estimate for 632 ÷ 19? 600 ÷ 20
700 ÷ 20
600 ÷ 10
700 ÷ 10

600÷20

Step-by-step explanation:

first for the 632 you need to minimise it to 600

then 19 to 20

i hope this help. have a good day

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+

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