Question

A metal plate measuring 42 by 14 cm is put up into small squares of side length 7mm.How many squares will be cut?​show me the calculation​

Answer 1

A metal plate measuring =42/14

=3c.m

length of small square of side =7mm.

1c.m =10m.m

3 =30m.m

there are so many square will cutt

=30/7

4.285squares

mean 4 perfect square