Question

sheet of paper measuring 30 cm by 20 cm is 3.4 cm is cut from it all around find the area of the remaining sheet and also the area of the part of the trip

Answer 1

A. of paper=30×20=600 cm^2

after cutting 3.4 from all the sides,
3.4×2=6.8 units of length and breadth each is removed.

length=23.2 cm
breadth=13.2 cm

Area of sheet now=23.2×13.2=306.24 cm^2