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Circumcentre and Its Construction

In a right an...

Question

In a right angled triangle, hypotenuse is 6 cm. Find the radius of circumcircle.

A

3 cm

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B

9 cm

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C

12 cm

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D

6 cm

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Solution

The correct option is A 3 cm
Circumcentre of a right angled triangle lies exactly on the midpoint of its hypotenuse.
So, if the hypotenuse is 6 cm then the radius of circum circle will be half of the hypotenuse.
i.e., $\frac{6}{2} = 3 c m .$

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