Angle of Two Lines

| View Cart ⇗ | Info

To find the angle between two given lines a, b of which the projections a1, b1 and a2, b2 are given.

Source

Encyclopaedia Britannica (New York: The Encyclopaedia Britannica Company, 1910) 11:709

Downloads

TIFF (full resolution)

2400×1992, 308.9 KiB

Large GIF

1024×849, 40.6 KiB

Medium GIF

640×531, 24.4 KiB

Small GIF

320×265, 10.5 KiB