A rectangular park 60 m long and 40 m wide has two concrete crossroads running in the middle of the park and rest of the park has been used as a lawn. If the area of the lawn is 2109 sq. m, then what is the width of the road?

Question

নিচের অপশন গুলা দেখুন

• 5.82m
• 3m
• none of these
• 2.91m

Answer 1

সঠিক উত্তর হচ্ছে: op3m

ব্যাখ্যা: area of the park=60*40 sq. m=2400 sq m,area of rhe road=2400-2109 sq. m =291 sq m. let the width be x,then,291=60x+40x-x^2 => x=3m