Question Detail

GET 102 GEOMETRIC CONSTRUCTION: CONIC SECTIONS Objective Question
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Question

To find the focal points (F1 and F2) in the Ellipse - Foci Method, an arc is drawn from point C or D. What is the radius of this arc?
Options
A Half of the minor axis
B The full length of the major axis (AB)
C Half of the major axis (OA)
Correct Answer
D The full length of the minor axis (CD)
Correct Answer

Option C is the correct answer.

Detailed Explanation

Step 2 of the 'ELLIPSE- Foci Method' on page 7 specifies: 'Find the focal points by drawing an arc from point C or D with radius OA (1/2 of major axis) to cut the major axis at F1 and F2.'

Hint

The radius used to locate foci is related to the major axis and the minor axis endpoint.

Question Info

Course: GET 102
Topic: GEOMETRIC CONSTRUCTION: CONIC SECTIONS
Type: Objective
Difficulty: Not specified
Question 32 of 308
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