Question

by now much should The area of a rectangle be increased of its length and breath are increased by 30 units and 40 units respectively​

Answer 1

Answer:

120

l=40

b=30

Area =l*b

40*30=120

Answer 2

Answer:

lenght = L+30

breadth =B+40

area =L*B = LB + 1200

so

increased by 1200