Answers

2016-03-07T10:39:29+05:30
Cnstruction.. join OC,OD,BC[radii]
therfore COD is an equilateral triangle
cod=60
cbd=1/2*cod=30
acb=900
bce=900[as it is a semicircle]
in bce
30+90+ceb=180
ceb=180-120=60
aeb=60




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