Area of circle= π·r² so, π·20²= π·400≡ 1256.637061
The top left is the correct answer, because the sides are parallel.
Hope this helps!
Y=6.21
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The location of point K as a mixed number is 8 6/8 = 8 3/4 because there are 8 lines, and point K is on the 6th line.
Hope this helped☺☺