geometry: for triangle, if d = 6 and a = 2.3, then e = ?

[pattie33]

The shape is a triangle and the question asked that if d=6m and a=2.3m, then e=___________meters


And the problem gave me choices to choose from which were
2.1
2.3
3.8
4.5
5.5
And once again i dont know how to start off this problem so could someone please hhelp

 

[stapel]

The shape is a triangle and the question asked that if d=6m and a=2.3m, then e=___________meters

What kind of triangle is it? A right triangle? An isosceles triangle? How do "d", "a", and "e" relate to the triangle? Are they sides? Is one the altitude? Or something else? :shock:

Please reply with all of the necessary information. Thank you.

Eliz.