Question

two concentrate circle are of radii 5cm and 3cm . find the length of the chord of the larger circle which touches the smaller circle ​

Answer 1

Step-by-step explanation:

Since, the tangent at any point of a circle is perpendicular to the radius through the point of contact. Since, the perpendicular from the centre of a circle to a chord bisects the chord. Hence, the required length = 8 cm.

Answer 2

4 cm is tangent at one side but radius divide chord into 2 equal parts that's tangent so 2 x 4 = 8 cm

Step-by-step explanation:

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