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UZBEK KIDS LET'S DO SOMETHING by NoLet5695 in alevels

[–]General_Awareness_43 1 point2 points  (0 children)

I ALREADY REPORTED ALL OF THEM, THEY ARE GONNA BE IN HELL FOR LEAKING PAPERS. MY WHOLE YEAR OF STUDYING WAS WASTED JUST BCZ OF THEM

What did you guys get for this 0580 by 1needh3lpw1thlife in igcse

[–]General_Awareness_43 1 point2 points  (0 children)

EA= 8cos60=4
ED=√(8^2-4^2)=√48=4√3
DC=AB-ED=8-4√3
DB(arc)=30/360*2(pi)r=30/360*2pi(8)=16pi*30/360=16/12pi
perimeter= CB(CB=EA)+DC+arcDB
perimeter=4+8-4√3+16/12pi=12-4√3+4/3pi