11] Perpendicular of contour lines

@siriusmartM to

Daily Maths Challenges • 27 days ago

Contour lines joins up points on a surface that are of the same height.
Field lines points towards the direction of the steepest descent.

As you may have noticed, whenever a field line and contour line crosses each other, they are perpendicular.

Prove it.

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6•27 days ago
Well, that’s…normal.
- @Eheran
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  2•27 days ago
  Hue hue hue

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