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Exercise 1

Exercise

  1. From a point P on the circle of radius 4cm, draw a tangent to the circle without using the centre. Also write steps of construction.
  2. Draw a circle of radius 4.5cm. Take a point P on it. Construct a tangent at the point P without using the centre of the circle. Write the steps of construction.
  3. Draw a circle of radius 5cm. Take a point P on it. Without using the centre of the circle, construct a tangent at the point P. Write the steps of construction also.
  4. Draw a circle of diameter 12cm. From a point P, 10cm away from its centre, construct a pair of tangent to the circle. Measure the lengths of the tangent segments.
  5. Draw a circle of radius 5cm. from a point P, 7cm away from its centre, construct a pair of tangents to the circle. Measure the length of the tangent segments.
  6. Draw a circle of radius 7cm. From a point P, 8cm away from its centre, Construct a pair tangents to the circle. Measure the length of the tangent segments.
  7. Draw a right angled triangle ABC with AB = 4.5cm, AC = 7.5cm and . Construct its incircle. Write the steps of construction.Construct a triangle ABC in which BC = 13cm, CA = 5cm and AB = 12cm. Draw its incircle and measure its radius.Construct a triangle ABC in which AB = 3cm, BC = 4cm and AC = 5cm. Draw the circumcircle of triangle ABC.Construct the circumcircle of an equilateral triangle with side 6cm. Write the steps of construction.

 

 


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