X =
In the diagram below, ZHDA and ZADR are supplementary.
(7x-3)°
(2r-6)°
H
D
What is the value of r?
R
![X In the diagram below ZHDA and ZADR are supplementary 7x3 2r6 H D What is the value of r R class=](https://us-static.z-dn.net/files/df6/939f52fab56646db0b806f4c18c84c57.png)