16,9 km
The meter is a metric unit of length. Therefore, 300 meters has a length of 300 meters or .3 kilometers.
Each side of the square is 3 meters in length
You divide the ball pen length by 100 to get it in meters.
A square with a side length of 14 meters has an area of 196 square meters.
There are 1,000 meters in a kilometer (kilo means thousand) 1,500 meters is 1.5 kilometers.
A barrel vault can span the length of a tunnel.
The height of the Laredal Tunnel is not specified, and you'd have to do some extreme researching to find out for yourself. However, the width and length are given: 9 meters and 25 kilometers respectively.
Le Grand Souterrain in France at 5677 meters, then the Standedge in England at 5210 meters
52
The Channel Tunnel is 50.45 km or 31.35 miles.
The Thames Tunnel is 1,300 feet (396 meters) long.
1 kilometre = 1000 metres so 1.3 km = 1.3*1000 = 1300 m. Simple!
The Hoosac Tunnel is 4.75 miles in length or 7.64 km long.
The area of Tunnel Creek National Park is 910,000.0 square meters.
16,9 km
Diagonal = 10 meters.