what do the numbers on a dartboard mean
Darts A regulation board is ​17 3⁄4 inches (451 mm) in diameter and is divided into 20 radial sections. Each section is separated with metal wire or a thin band of sheet metal.[5] The best dartboards have the thinnest wire, so that the darts have less chance of hitting a wire and bouncing out. The numbers indicating the various scoring sections of the board are also normally made of wire, especially on tournament-quality boards. The wire ring on which the numbers are welded can be turned to facilitate even wear of the board. Boards of lesser quality often have the numbers printed directly on the board.
Green and black poison dart frog The green-and-black poison dart frog has the typical appearance of the members of its family. Males average 0.75 inches (1.9Â cm), while females are slightly larger, averaging an inch or longer. The green-and-black poison frog typically has mint-green coloration; however, this pigment can also be forest, lime, emerald green, turquoise, or even cobalt blue or pale yellow. Mixed with this typically green are splotches of dark color, ranging from wood brown to black. The green-and-black poison dart frog is one of the most variable of all poison frogs in appearance; some have black or brown splotches, others are dappled, or have "splashes" of black, like Oophaga sylvaticus.