A chord AB of length 10 cm is drawn inside a circle of radius 5 cm. Write the measures of the arcs formed.

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Solution

Length of the chord = 10 cm
Radius of the circle = 5 cm
Since, the chord is twice the radius, AB is the diameter of the circle.
Angle formed at the centre by the chord AB = 180° (As the biggest chord of a circle is its diameter)
Here, the minor arc and major arc will be equal.
So, the major arc and minor arc will be equal to 180°

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