A rectangular field has area equal to 150 sq m and perimeter 50 m. Its length and breadth must be?  Answers:
A) 15 m,17 m B) 85 m,10 m C) 15 m,80 m D) 15 m,10 m E) 15 m,14 m
lb = 150   2(l + b) = 50 =&gt; l + b = 25   l – b = 5   l = 15 b = 10   Answer:15 m,10 m
<result>D</result>
A rectangular field has area equal to 150 sq m and perimeter 50 m. Its length and breadth must be?