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From the point (4 , 3) a perpendicular i...

From the point (4 , 3) a perpendicular is dropped on the X-axis as well as on the Y-axis . If the lengths of perpendiculars are p and q respectively , then which one of the following is correct ?

A

p = q

B

3p = 4q

C

4 p = 3q

D

p + q = 5

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The correct Answer is:
To solve the problem, we need to find the lengths of the perpendiculars dropped from the point (4, 3) to the X-axis and Y-axis. ### Step-by-Step Solution: 1. **Identify the point and axes**: The point given is (4, 3). The X-axis is the horizontal line where y = 0, and the Y-axis is the vertical line where x = 0. 2. **Calculate the length of the perpendicular to the X-axis (p)**: - The perpendicular from the point (4, 3) to the X-axis will have the same x-coordinate but a y-coordinate of 0. Therefore, the coordinates of the foot of the perpendicular on the X-axis will be (4, 0). - The length of this perpendicular (p) is the difference in the y-coordinates: \[ p = 3 - 0 = 3 \] 3. **Calculate the length of the perpendicular to the Y-axis (q)**: - The perpendicular from the point (4, 3) to the Y-axis will have the same y-coordinate but an x-coordinate of 0. Therefore, the coordinates of the foot of the perpendicular on the Y-axis will be (0, 3). - The length of this perpendicular (q) is the difference in the x-coordinates: \[ q = 4 - 0 = 4 \] 4. **Establish the relationship between p and q**: - We have found that \( p = 3 \) and \( q = 4 \). - To find a relationship, we can express these lengths in terms of a ratio or equation. For example: \[ 4p = 12 \quad \text{(since } p = 3\text{)} \] \[ 3q = 12 \quad \text{(since } q = 4\text{)} \] - From these, we can see that: \[ 4p = 3q \] 5. **Conclusion**: - The correct relationship derived from the lengths of the perpendiculars is \( 4p = 3q \). ### Final Answer: The correct option is \( 4p = 3q \).
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