UPSKILL MATH PLUS

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

Learn more
1. In the quadrilateral ABCD, AB = BC and AD = DC. Measure of \angle BCD is:
 
P_63.png
 
2. ABCD is a square, diagonals AC and BD meet at O. The number of pairs of congruent triangles with vertex O are:
 
P_65.png