atuftofwisps atuftofwisps

13-01-2018
Mathematics

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Hi, help with this challenging geometry stuff if you believe you can do it. :P
Thanks!

Hi help with this challenging geometry stuff if you believe you can do it P Thanks class=

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mathmate mathmate

13-01-2018

By the properties of a chord,
&ang; KOL=2* &ang; KML = 2*17 ° = 34 °

Consider triangle KOL,
KO=KL => &ang; KLO = (1/2)(180-34)=73 °

KL=2*KO cos (73) = 2*1.08*cos(73) = 0.6315
Similarly,
AM=2*KL*cos(17)= 2*0.6315*cos(17)=1.208 (approx.)

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