Question

Q.7Find the areas of the rectangles whose sides are:
(a) 3 cm and 4 cm
(b) 12 m and 21 m​

Answer 1

Answer:

4*3= 12 cm^2

12*21= 252 cm^2

Step-by-step explanation:

hope it helps!!

Answer 2

Step-by-step explanation:

a) area=length×breadth=3×4=12cm^2

b) area=length×breadth=12×21=252cm^2