Represent root 7 on number line using spiral form


Asked by admin @ in Math viewed by 309 People


How to draw root 7 on the number line ??
pls, construct it by giving steps.

Answered by admin @



Step-by-step explanation:

Steps of Construction:

  1. Draw a line of 2 cm,named it as OA
  2. At A draw a perpendicular line of 1 cm,let this line is AC.
  3. Join OC, length of OC =√5 cm
  4. Take OC as base line ,and draw a perpendicular of 1 cm at C,let this is CD.
  5. join O and D ,length of OD =√6 cm
  6. Take OD as base and draw a perpendicular of 1 cm at D,let this is DE.
  7. Join O to E,the length of OE = √7 cm
  8. Put the compass on O,measure till point E and draw an arc to join E to number line at E'.
  9. Where the point meet is the distance of √7 from OE'.

Hope it helps you.


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