Ratio of breadth:length is 4:5.of total permiter is 162cm.find length and breadth
Share
Ratio of breadth:length is 4:5.of total permiter is 162cm.find length and breadth
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Verified answer
★ Given :
ratio of breadth : length = 4:5
Total perimeter = 162 cm
★ To find :
length and breadth
★ Solution :
We know that ,
perimeter of rectangle = 2(l+b)
l : b = 4:5
l = 4x , b = 5x
by putting values
162 = 2(4x + 5x)
162 = 2(9x)
162 = 18x
→ breadth = 4x = 4×9 = 36
→ length = 5x = 5 ×9 = 45.