natalie-davies_60b9ba9fded41
natalie-davies_60b9ba9fded41
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(sen 120°/l)=(sen 30°/r) (sen 120°/l)=(sen 30°/(4.RQUAD 3)) (0,87/l)=(0,5/6,93) l=(0,87*6,93)/0,5 l=12,06 P=3*12,06 P=36,17cm A= 3*(((2*(12,06*sen 60°))*((12,06*cos 60°)))/2 A=188,94cm²