UPSKILL MATH PLUS

Learn Mathematics through our AI based learning portal with the support of our Academic Experts!

Learn more
It is known that in this situation:
Par_trijst.png
 
DB=BC;
DB∥MC;
∡BCM \(=\) 130°.
 
Find the value of  ∡1.
 
∡1 \(=\) °.