The length and breadth of a rectangle are in the ratio 9 : 5, if its area is 720 m2 find its perimeter.
Answers
Answered by
1
Answer:
plz mark it as brainliest☺☺
Attachments:
Answered by
1
Answer:
Let angles be 9x and 5x (given ratio 9:5)
According to question
9x*5x=720
=45x^2=720
=x^2=720/45
=x^2=16
=x=√16
=x=4
length=9x=9×4=36m
breadth=5x=4×4=16m
PEREMETER=2(l+b)
=2(36+16)
=2(52)
=104 m
Similar questions