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The diagonal of rectangular fiels is …

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The diagonal of rectangular fiels is 60 Metres more than the shoter side. If the longer side is 30 metres More than the ahoter side , find the side of the field.
  • 2 answers

Riya Philip 5 years, 2 months ago

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Yogita Ingle 5 years, 2 months ago

Let the length of the shorter side be x metres. 

The length of the diagonal= 60+x metres

The length of the longer side =30+x metres

Applying Pythagoras theorem, 

Diagonal²=longer side²+shorter side²

(60+x) ²= (30+x) ² + x²

3600+120x+x²=900+60x+x²+x²

2700+60x-x²=0

2700+90x-30x-x²=0

90(30+x)-x(30+x) =0

X=90, 

Shorter side is 90m,  longer side is 90+30=120m

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