Absolute Pi 2

Absolute Pi 2
Found by	Greenelephant
City
State	California
Country	United States
Continent	North America
Posted on	Apr 14, 2006
Map Location	34° 8' 10" N, 117° 30' 42" W
Numbers	4, 210, 15
Type	Constant
Loading map...

Todd Southworth goes a mile down the road from Absolute Pi and puts another very similar sign up.

Mr. Southworth applies similar math here.

$4 \times \arctan ( \tan ( 210^\circ + 15^\circ) ) = \pi$

This sign is eastbound CA-210 at the transition to I-15 in Rancho Cucamonga, California.