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About
Triangles
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One of the shapes you should be most familiar shapes is the
triangle. The triangle is a polygon. It has 3 sides, 3 angles, 3 vertices and
no diagonals.
Classifying Triangles
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There is two ways to classify triangles;
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By Sides
or
By Angles
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Isosocles
Scalene
Equilateral
Acute
Obtuse
Right
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Golden Triangle
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Definition: The
golden triangle is an isosceles
triangle such that the ratio of the hypotenuse
a to base b is equal to the golden
ratio,
 .
From the above figure, this means that the triangle has vertex angle equal to
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(1) |
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