Question

plz.solve above sums for me

Answer 1

1. a.12 cm
c.6km
d.1.4m

Answer 2

hey mate!!

area of rectangle=length×breadth

1. area=3×4=12cm^2
2.area=12×21=252m^2
3.area=2×3=6km^2
4.area=2×70=140cm^2

hope it helped!!