Question Detail
Question
In the Ellipse Foci Method, the focal points F1 and F2 are located by drawing an arc from point C or D with a radius equal to:
Correct Answer
Option D is the correct answer.
Detailed Explanation
Page 7, step 2, explains: 'Find the focal points by drawing an arc from point C or D with radius OA (½ of major axis) to cut the major axis at F₁ and F₂.'
Hint
Look for the specific radius used to find the foci in the Ellipse Foci Method.