Question

Please solve the question no.4

Answer 1

Answer:

its a maths trick

first add both length and wide

30-20=50

than add the strip or way by double it

so 4*2=8

now 50+8=58

in the answer we have to do into (*) of that value

58*8=464 cm∧2

and the area of remaining page is

12*22=264 cm∧2

Step-by-step explanation: