Length of ab is B. 13.4 units
What is a circle?
- A closed two-dimensional figure in which the set of all the points in the plane is equidistant from a given point called “centre" is called a circle.
- In a circle the length of the chord is bisected by the perpendicular joining the center.
How to find the length of ab?
According to the problem,
- ab is the chord.
- oc is perpendicular to ab
∴ OC should bisect AB
- Length of AC = Length of BC = 6.7 units
∴ Length of AB = 13.4 units.
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