Practical Geometry

**I. Construction of tangent using the centre of the circle:**

**Example :**

Draw a tangent to a circle of radius 4.8 cm by using the centre of the circle.

**Solution:**

**Step 1:** Draw a circle with centre O having radius 4.8 cm.

**Step 2:** Take a point Q on the circle and draw a ray OQ.

**Step 3:** Draw a line *l* perpendicular to OQ at point Q.

Line *l* is the required tangent.

**II. Construction of tangent without …**

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