The primary reason for the IDL's deviations is political and administrative convenience. If the line followed exactly 180°, it would split island groups and countries between two different calendar days. This would create confusion for business, government, and daily life. The zigzags keep entire nations on the same side of the date line.

Break down complex topics into smaller, manageable chunks for easier recall.

Zambia

• Dickson Tembo – 1 pts

• Mid-point of A Line
• Equation of a Straight Line
• Parallel and Perpendicular Lines
• Area of Rectilinear Figures
• Distance of A Straight Line