chord of length 10 cm is at a distance of 12 cm from the centre of the circle. Find the radius of circle
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Chord of length 10 cm is at a distance of 12 cm from the centre of the circle. Find the radius of circle
Given,
AC = 10 cm
AD = 12 cm
AB = AD/2 = 12/2 = 6 cm
By Pythagoras Theorem,
In ∆ABC
AC² = AB² + BC²
BC² = AC² - AB²
BC² = 10² - 6²
BC² = 100 - 36
BC² = 64
BC = √64
BC = 8 cm ans
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