What is the central meridian for zone V of the Philippine Plane Coordinate System?

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Multiple Choice

What is the central meridian for zone V of the Philippine Plane Coordinate System?

In the Philippine Plane Coordinate System, each projection zone has its own central meridian—the longitude line around which that zone is centered to minimize distortion. The central meridians are arranged in steps of 2 degrees starting from 117° East, giving a sequence like 117°, 119°, 121°, 123°, 125°, 127°. Zone V is the fifth in this sequence, so its central meridian is 125° East. This is why 125° is the correct reference for zone V. The other longitudes would correspond to neighboring zones rather than zone V.

In the Philippine Plane Coordinate System, each projection zone has its own central meridian—the longitude line around which that zone is centered to minimize distortion. The central meridians are arranged in steps of 2 degrees starting from 117° East, giving a sequence like 117°, 119°, 121°, 123°, 125°, 127°. Zone V is the fifth in this sequence, so its central meridian is 125° East. This is why 125° is the correct reference for zone V. The other longitudes would correspond to neighboring zones rather than zone V.

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