Question

How many squares with sides 1/2 inch long are needed to cover a rectangle that is 4 ft long and 6 ft wide?

Answer 1

area of square=s×s

=1/2×1/2

=1/4

area of rectangle=l×b

=4×6

=24

area of square+area of rectangle

=1/4+24

=24/2

=12