Perimeter of rectangle is 28cm and the area being greater than by 45 sq cm .Within what limits does the length of  rectangle lie

Asked by lovemaan5500 | 12th Dec, 2017, 06:33: AM

Expert Answer:

begin mathsize 16px style please space cross space check space your space question space since space area space and space perimeter space can apostrophe straight t space be space compared
2 open parentheses straight l plus straight b close parentheses equals 28
area space equals space lb
lb equals 45 space cm squared
put space straight l equals 45 over straight b space in space 2 open parentheses straight l plus straight b close parentheses equals 28
find space ans end style

Answered by Arun | 12th Dec, 2017, 12:40: PM