CBSE Class 10 Answered
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![question image](http://images.topperlearning.com/topper/new-ate/top_mob16728242081882063463IMG_20230104_145304_HDR.jpg)
Asked by 096karan | 04 Jan, 2023, 14:53: PM
![](https://images.topperlearning.com/topper/tinymce/imagemanager/files/e1b6ad91d28b9b88b9069fac985383c363b54e20161fc9.70800645g1.png)
Circumcentre O of circumcircle of ΔABC is the point where the perpendicular bisectors of all three sides meet.
Hence OD bisects side BC . Hence CD = 12 cm
OC is radius of circumcircle , hence OC = 13 cm
ΔODC is right angled triangle and
ODC is right angle.
![angle](https://images.topperlearning.com/topper/tinymce/cache/b26763ff7db2ff496dbc2682f516d58a.png)
![begin mathsize 14px style O D space equals space square root of O C squared minus C D squared end root space equals space square root of 13 squared minus 12 squared end root space equals space 5 space c m end style](https://images.topperlearning.com/topper/tinymce/cache/c458576224bf9b3f36f9cd75646a0231.png)
Answered by Thiyagarajan K | 04 Jan, 2023, 15:35: PM
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