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Mathematics 6 Online
OpenStudy (anonymous):

In the diagram, AF¯¯¯¯¯ is a side of regular hexagon ABCDEF inscribed in circle O. What is m∠FDA? a.60° b.40° c.30° d.20° plisss help me :(((

OpenStudy (gorv):

regular polygons have all angle equal

OpenStudy (gorv):

and angle in a semicircle is alwys a right angle

OpenStudy (gorv):

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OpenStudy (gorv):

regular polygon have sum of all angle =(n-2)*180 n= no of sides here n=6 sum=(6-2)*180=720 and all angle are equal so each angle=720/6=120

OpenStudy (gorv):

AD is diameter so it will divide angle A in teo equal part so 60 and 60

OpenStudy (gorv):

sum of angle of triangle=180 90+60+FDA=180 FDA=180-150=30

OpenStudy (anonymous):

yesss it was 30 thankss

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