15. O is the centre of the circle AB = BC = AC = 10 Cm
C С
a) <AOB = 30°
b) What is the radius of the circ

15. O is the centre of the circle AB = BC = AC = 10 Cm
C С
a) <AOB = 30°
b) What is the radius of the circle?
c) Find the area of the circle?​

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  1. Answer:

    Given : AB = BC = AC = 10 cm

    ∴ ΔABC is an equilateral triangleb Radius of circumscribe circle of equilateral triangleRadius of circle = 5.77 cm

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