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first do the -1 thing then rotate 90 degrees and the teck orb middle one
I think i got the right one. Flip it over using the line then make it small using the yellow star. the press the redo button in the top right corner them make it move then make it small again
It is: 80/360 times 25pi = 17.453 square meters rounded to 3 decimal places
diameter d = 10 in radius r = 5 in arc length s = 10 in C = pi d = pi x 10 in = 10pi in s/C = 10 in/10pi in = 1/pi A circle = pi r2 = pi(5 in)2 = 25pi in2 A sector/A circle = 1/pi (cross multiply) pi A sector = 25pi in2 (divide both sides by pi) A sector = 25 in2
A 72 degree sector represents 72/360 = 1/5 of a circle. Area of whole circle = pi*r2 = 100*pi So area of 1/5 circle = 20*pi = 62.83 cm2 (approx).