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If the arcs of same length …

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If the arcs of same length in two circles Subtended angles of 30°and 75°at their respective centres find the ratio of their radii?

    • Posted by Sonam Angmo 5 years, 9 months ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Ujjawal Malviya 5 years, 9 months ago

    As we know .... Theta=arc/radius ATQ,theta1=30°and theta2=75° From that Theta1*radius1=arc-------------eq1 Theta2*radius2=arc-------------eq2 from eq 1&2 We have Theta1*radius1=theta2*radius2 Theta2/theta1=radius1/radius2 75/60=radius1/radius2 [ 5/4=radius1/radius2] Answer

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