how to make square root spiral?
Answers
Step-by-step explanation:
Take a piece of plywood having the dimensions 30 cm x 30 cm.
Draw a line segment PQ of length 1 unit by taking 2 cm as 1 unit, (see Fig. 1.2)
ncert-class-9-maths-lab-manual-construct-square-root-spiral-12
Construct a line QX perpendicular to the line segment PQ, by using compasses or a set square, (see Fig. 1.3)
ncert-class-9-maths-lab-manual-construct-square-root-spiral-13
From Q, draw an arc of 1 unit, which cut QX at C(say). (see Fig. 1.4)
ncert-class-9-maths-lab-manual-construct-square-root-spiral-14
Join PC.
Taking PC as base, draw a perpendicular CY to PC, by using compasses or a set square.
From C, draw an arc of 1 unit, which cut CY at D (say).
Join PD. (see Fig. 1.5)
ncert-class-9-maths-lab-manual-construct-square-root-spiral-15
Taking PD as base, draw a perpendicular DZ to PD, by using compasses or a set square.
From D, draw an arc of 1 unit, which cut DZ at E (say).
Join PE. (see Fig. 1.5)
Keep repeating the above process for sufficient number of times. Then, the figure so obtained is called a ‘square root spiral’.
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