Q. 24

Asked by Rayeesa | 4th Jun, 2018, 09:24: AM

Expert Answer:

begin mathsize 16px style The space length space and space breadth space of space straight a space rectangular space park space are space in space the space ratio space 5 colon 3.
Let space the space common space ratio space be space straight x.
Length space of space straight a space rectangle space equals space 5 straight x space and space breadth space of space straight a space rectangle space equals space 3 straight x
Perimeter space of space straight a space rectangle space equals space 2 left parenthesis straight l space plus space straight b right parenthesis
rightwards double arrow 128 space equals space 2 space left parenthesis space 5 straight x space plus space 3 straight x right parenthesis..................... left parenthesis Perimeter space of space straight a space rectangle space equals 128 space straight m right parenthesis
rightwards double arrow 64 space equals space 8 straight x
rightwards double arrow straight x space equals space 8
rightwards double arrow Length space of space straight a space rectangle space equals space 5 straight x space equals space 5 space cross times space 8 space equals space 40 straight m space and space
breadth space of space straight a space rectangle space equals space 3 space cross times space 8 space equals space space 24 straight m
Therefore space area space of space the space rectangular space Park space equals space length space cross times space breadth space equals space 40 space cross times space 24 space equals space 960 straight m squared.
end style

Answered by Yasmeen Khan | 4th Jun, 2018, 12:20: PM

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