Question

The length and breadth of a rectangular sheet of paper are
3/5
cm and
2/5
cm respectively.
What is the perimeter of the paper?
a) 10 cm b) 2 cm c) 1 cm d) 4 cm

Answer 1

Answer:

190 cm sq

Step-by-step explanation:

Perimeter of original Rectangle =2×(20+10) cm = 60 cm

And Area =20 cm×10 cm = 200 cm  sq

Now, rectangle of length 5 cm and breadth 2 cm are removed from original rectangle.

So, from figure,

perimeter of new rectangle =(20+10+(20−5)+(10−2)+5+2) cm=60 cm

Now, area of new rectangle =Area of original Rectangle - area of cut out

= 200−(2×5) = 200−10 = 190 cm sq

            I hope this answer will help you........