Question

activity
construct a spiral root ​

Answer 1

Answer:

Classroom activity(Constructing the 'square root spiral'): Take a large sheet of paper and construct the 'square root spiral' in the following fashion. Start with a point O and draw a line segment OP1 of unit length. Draw a line segment P1P2 perpendicular to OP1 of unit length.

Step-by-step explanation:

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Answer 2

Answer:

Theory

1. A number line is a imaginary line whose each point represents a real number.

2. The numbers which cannot be expressed in the form p/q where q ≠ 0 and both p

and q are integers, are called irrational numbers, e.g. √3, π, etc.

3. According to Pythagoras theorem, in a right angled triangle, the square of the

hypotenuse is equal to the sum of the squares of other two sides containing right

angle. ΔABC is a right angled triangle having right angle at B. (see Fig. 1.1)

Therefore, AC² = AB² +BC²

where, AC = hypotenuse, AB = perpendicular and BC = base

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