A rectangular field has area equal to 150 sq m and perimeter 50 m. Its length and breadth must be?
12 m, 10 m
13 m, 12 m
14 m, 11 m
15 m, 10 m
Explanation:
lb = 150
2(l + b) = 50 => l + b = 25
l - b = 5
l = 15 b = 10
Next Question
One side of a rectangular field is 4 m and its length along diagonal is 5 m. What is the area of the field?