The Discovery Channel just aired a 2 hour show called Dive To The Bermuda Triangle. Very interesting stuff. 3 or 4 different theory's about the mystery. Check out the Discovery site for it.
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No. It can be used on any triangle.
that depends on how it is placed, vertically or diagonally .
Any right-angled triangle
The perimeter to area ratio.
the sides of a triangle on which the Pythagorean theorem can be applied is called Pythagorean triplet
The triangle was know to prehistoric man. These clever peoples discerned the structural value of the triangle and applied it to building simple shelters and other structures. It's origins are lost in time.
triangle
Pure science is intangible and theoretical like biology, anatomy, and geology. Applied science is applying the theories and making them into something tangible like satellites and laboratory equipment.
"Isosceles" is a type of triangle. Triangles are two-dimensional.