To defend themselves from to native Americans.
Three-Sided Coin was created on 2002-06-11.
Octahedron.
There is no three-sided shape with two obtuse angles, because the three interior angles of a three-sided shape, which is a triangle, add up to 180 degrees, and two obtuse angles would be over 180 degrees.
A nine sided plane figure is a nonagon. A nine sided three dimensional figure is a nonahedron.
12-sided two dimensional shape: dodecagon12-sided three dimensional shape: dodecahedron
Beginning in the 1700s,settlers used waterways to travel the region. They also build towns along the waterways.
there were three types of settlers in colonies. 1 who faught against britain for independence 2 the were the people who sided with britain 3 were the neutralist who sided no one.
The three sided rotary engine is a Wankel engine. The engines were used in Mazda cars, as well as some Norton motorcycles.
Rotary or Wankel engine.
Wow, really... a pyramid is three sided and it has been used as a tomb. (technically it's 4 sided, three sides and a bottom, but that's as close as your going to get to a three sided tomb, especially in geometry...)
i am not sure, but i think it is 4 sided.
a 3 sided figure
Fishing, farming, forestry and mining.
A pyramid is a four-sided, three-dimensional figure.
No. A three-sided polygon is, by definition, a triangle.
Three-Sided Coin was created on 2002-06-11.
The name of the angle which has three sided polygon called Triangle.