Equations And Inequalities Question 1
Question: The length of a rectangle is three times the breadth. If the minimum perimeter of the rectangle is 160 cm, then what can you say about breadth?
Options:
A) $ breadth = 20 $
B) $ breadth\le 20 $
C) $ breadth\ge 20 $
D) $ breadth\ne 20 $
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Answer:
Correct Answer: C
Solution:
- [c] If x cm is the breadth, then $ 2(3x+x)\ge 160\Rightarrow x\ge 20 $
BETA
