Prove that the equal chords of a circle subtend equal angles at the centre.
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In Δ AOB and Δ COD ,AB = CD (Given)AO = CO (radius)OB = OD (radius)By S.S.S congruency, Δ AOB Δ COD AOB = COD
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Its value is 9.8 m/s2 on Earth. That is to say, the acceleration of gravity on the surface of the earth at sea level is 9.8 m/s2. When discussing the acceleration of gravity, it was mentioned that the value of g is dependent upon location. There are slight variations in the value of g about earth's surface.
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