CLASS10 · Mathematics · Circles — True or False

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   The tangent at any point of a circle is perpendicular to the radius at the point of contact.

2. Statement is true

   No

   Statement

   From an external point, exactly one tangent can be drawn to a circle.

3. Statement is true

   Yes

   Statement

   Tangents drawn from an external point are equal in length.

4. Statement is true

   No

   Statement

   A line cutting a circle at two points is called a tangent.

5. Statement is true

   No

   Statement

   A chord is the longest chord through the centre.

6. Statement is true

   Yes

   Statement

   The diameter is the longest chord of a circle.

Instructions

Decide each statement about tangents and chords.