- A3
- B4
- C5
- D7
Step-by-Step Solution
The distance of a point from the -axis equals the absolute value of its -coordinate, i.e. |3| = 3.
Answer: A) 3
The distance of the point (3, −4) from the -axis is:
Class 10Coordinate GeometryGeometry — Coordinates
Key idea: Distance formula
**Distance** between two points P₁, ₁) and Q₂, ₂):
**PQ = **
This is just the Pythagoras theorem applied to the right triangle formed with horizontal and vertical legs.
**Example**: Distance between (3, 4) and (7, 1).
= .
**Special distance from origin**: distance of from (0, 0) is .
**PQ = **
This is just the Pythagoras theorem applied to the right triangle formed with horizontal and vertical legs.
**Example**: Distance between (3, 4) and (7, 1).
= .
**Special distance from origin**: distance of from (0, 0) is .
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