The Total solution for NCERT class 6-12
If PQRS is a square, then write the measure of тИаSRP.
PQRS is a square.
тЗТ All side are equal,and each angle is 90o┬аdegrees and diagonals bisect the angles.
So, тИаSRP = 1/2 (90┬аo) = 45o