Mathematics 10 — Exercise 8.1 · Q8

Full question

Chords PQ and RS of the same circle are each at perpendicular distance 6 cm from the centre. If PQ = 18 cm, find RS.

Step-by-step solution

  1. Mark the perpendicular distances from the centre, rather than distances to an endpoint.

  2. Chords equidistant from the centre are equal in length.

  3. Apply that equality to the given measurement.

    18

Answer

The final answer is shown below.

18