A rectangular field has area equal to 150 sq m and perimeter 50 m. Its length and breadth must be? Pick one:
A) 33  B) 28  C) 77  D) 10  E) 99
lb = 150   2(l + b) = 50 =&gt; l + b = 25   l – b = 5   l = 15 b = 10   Answer: 10
<result>D</result>
A rectangular field has area equal to 150 sq m and perimeter 50 m. Its length and breadth must be?