How many more squares of side 1 cm must be added to the given figure to form a square of side 5 cm?
A 9
B 11
C 20
D 25
figures in the question shouldn't be so unclear.
How many more squares of side 1 cm must be added to the given figure to form a square of side 5 cm?
A 9
B 11
C 20
D 25