KCET · Maths · Area Under Curves
The area enclosed by the pair of the lines \(x y=0\), the line \(x-4=0\) and \(y+5=0\) is
- A 20 sq units
- B 10 sq units
- C \(\frac{5}{4}\) sq units
- D 0 sq unit
Answer & Solution
Correct Answer
(A) 20 sq units
Step-by-step Solution
Detailed explanation
Given, pair of lines \( \begin{array}{lr} & x y=0, x-4=0 \\ \Rightarrow & x=4 \\ \text { and } & y+5=0 . \\ \text { The figure is a rectangle. } \end{array} \)
In which length is 5 units and breadth is 4 units. So, area \(=4 \times 5=20\) sq units.
In which length is 5 units and breadth is 4 units. So, area \(=4 \times 5=20\) sq units.
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