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regular triangle∗
Wkbj79†
2013-03-21 23:08:24
A regular triangle is one for which all sides are congruent and all interior
angles are congruent.
A
B
C
All regular triangles are regular polygons. Also, by the isosceles triangle
theorem, the bisector of any angle coincides with the height, the median and
the perpendicular bisector of the opposite side.
The following statements hold in Euclidean geometry for a regular triangle.
√
r 3
• If r is the length of the side, then the height is equal to
.
2
√
r2 3
.
• If r is the length of the side, then the area is equal to
4
∗ hRegularTrianglei
created: h2013-03-21i by: hWkbj79i version: h39538i Privacy setting:
h1i hDefinitioni h51-00i
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You can reuse this document or portions thereof only if you do so under terms that are
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