Question

a chord of length 30cm is drawn at a distance of 8cm from the center of the circle. find the radius of the circle ​

Answer 1

Step-by-step explanation:

The chord will be perpendiculars it will form right angled triangle

so r^2= {cord/2}^2 + {distance}^2

=> r^2= {15}^2 + {8}^2

=>r^2= 225 + 64

=>r^2=289

=>r=17

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