Examples of non-renewable energy are coal, oil, natural gas, uranium and fossil fuels. Ex. of renewable energy are animals, food, and biomass. Ex. of inexhaustible energy are â¦ wind, solar, geothermal, and hydroelectric.xamples of non-renewable energy are coal, oil, natural gas, uranium and fossil fuels. Ex. of renewable energy are animals, food, and biomass. Ex. of inexhaustible energy are â¦ wind, solar, geothermal, and hydroelectric.
How many lines of symmetry does a triangle have? The number of lines of symmetry a triangle has depends on the type of triangle. An equilateral triangle has three lines of symmetry, while an isosceles has one line of symmetry, and a scalene triangle has none.
Triangles can be classified according to the lengths of their sides: 1  An equilateral triangle has all sides the same length. An equilateral triangle is also a regular polygon with all angles measuring 60Â°. 2  An isosceles triangle has two sides of equal length. An isosceles triangle also has two angles of the same measure, namely the angles opposite to the two sides of the same length; this fact is the content of the isosceles triangle theorem, which was known by Euclid.