AB is chord of o (0, 6) AB = 6 then AOB =
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In ΔOAB, ∠AOB = 60° OA = OB (radius of circle) ∴ ∠OAB = ∠OBA (opposite angles of equal sides) ∠OAB + ∠OBA +∠AOB = 180° (sum of all angles of Δ) ∠OAB + ∠OAB = 180° – 60° 2 ∠OAB = 180° – 60° Hence radius of circle = 6 cm
Step-by-step explanation:
Radius of circle is 6cm
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