the correct ques is:

in triangle ABC, right-angled at C, CD is perpendicular to AB. Prove that: CD²=AD*DB

Log in to add a comment

the correct ques is:

in triangle ABC, right-angled at C, CD is perpendicular to AB. Prove that: CD²=AD*DB

Log in to add a comment

The Brainliest Answer!

By AA similarity , ΔDAC is similar to ΔDCB. so,CD/BD=AD/CD.

⇒ CD^2=AD*DB

⇒ CD^2=AD*DB

Cd is perpendicular on ab so by pythagoras theoram CD²= AD²-DB²