P, 1
P
√2
1
O
Classroom activity (Constructing the square root
spiral') : Take a large sheet of paper and construct
the 'square root spiral' in the following fashion. Start
73
with a point 0 and draw a line segment OP, of unit
length. Draw a line segment P,P, perpendicular to
OP, of unit length (see Fig. 1.9). Now draw a line
segment PP perpendicular to OP, Then draw a line
segment P P. perpendicular to OP. Continuing in
Fig. 1.9: Constructing
this manner, you can get the line segment PP by
square root spiral
drawing a line segment of unit length perpendicular to OP In this manner, you will
have created the points P, Pg....,P.
3...,
P., and joined them to create a beautiful spiral
depicting V2, 13, 14,...
n-1

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