Key in the tangent answer

Exercise and reference answers

Questions

1. Answer

   1

   Question

   How many tangents can be drawn at a single point of a circle?

2. Answer

   90

   Question

   What angle in degrees does a tangent make with the radius at the point of contact?

3. Answer

   2

   Question

   How many tangents can be drawn to a circle from a point outside it?

4. Answer

   8

   Question

   One tangent from an external point is 8 cm. How long is the other tangent, in cm?

Instructions

Work out each answer and key it in on the pad.

Explanation