A circular plate has circumference 15.7 inches. What is the area of this plate? Use 3.14 for it. The area of this plate is about square inches. (Round the final answer to the nearest whole number as needed. Round all intermediate values to the nearest thousandth as needed.)​

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

step-by-step explanation:

step-by-step explanation:

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