Q182
A farmer wishes to start a 100 sq.m rectangular vegetable garden. Since he has only 30 m barbed wire, he fences three sides of the garden letting his house compound wall act as the fourth side fencing. The dimension of the garden is :
A.
15 m × 6.67 m
B.
20 m × 5 m
AnswerC.
30 m × 3.33 m
D.
40 m × 2.5 m
Answer: Option B
Solution
Answer: Option B
Solution:
We have :When, b = 10, = 10 and when b = 5, = 20
Since the garden is rectangular, so its dimension is 20 m × 5 m