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Okoh emeka
Answers (1)
ncm³=ncm² ⅓πr²h=πrl ⅓πr²9=πrl ⅓πr²9/πr=πrl/πr 9r/3=l Cross multiply 9r=3l r=3l/9 r=⅓l Divide both sides by l r/l=⅓ r/l=0.3333=sin° Sin-1°=19.471 Vertical angle=2(°) 2(°)=2(19.471) 2(°)=38.94 …Vertical angle=38.9(to 0.1°)
