triangle ABC right angled at B, D is mid point on BC. prove that AC^2=4AD^2 - 3AB^2
Answers
Answered by
2
Please see the attachment
Attachments:
![](https://hi-static.z-dn.net/files/dba/6b7b6a90b907daa8fb97af3c5e514d3c.jpg)
Similar questions