Page 25 - Module 1_Chapter 1_Mathematics in the Modern World
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Mathematics in our World
15
A five-fold symmetry is found in the Snowflakes have six-fold symmetry; each
l
a
echinoderms, the group which ke's structure forms a record of the varying
f
c
o
includes starfish (dihedral-D5 itions during its crystallization, with nearly
d
n
symmetry), sea urchins, and sea lilies the same pattern of growth on each of its six
(dihedral-D5 symmetry). Radial arms. Generally, crystals have a variety of
symmetry suits organisms like sea symmetries and crystal habits; some are cubic
anemones whose adults do not move or octahedral.
and jellyfish (dihedral-D4 symmetry).
Starfish Sea Lilies
Snowflakes
Jellyfish Sea Anemone B. Fractals
Radial symmetry is also evident in
Fractal is curve or geometric figure, each
different kinds of fruits
part of which has the same statistical
character as the whole. It is a class of highly
irregular shapes that are related to
continents, coastlines, and snowflakes.
It is use to model structures in which
similar patterns recur at progressively smaller
Apple Melon
scales, and in describing partly random or
chaotic phenomena such as crystal growth,
fluid turbulence, lightning and galaxy
formation.
Kiwi Orange
ZANNIE I. GAMUYAO, MSM UNIT 1.3 Patterns and Regularities
Assistant Professor 1 in the World
Department of Arts and Sciences
