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8 October, 22:35

In the ellipse, if c=6cm, and b=8cm, what is the length of the major axis?

A) 10.58cm

B) 10cm

C) 20cm

D) 21.16cm

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Answers (1)
  1. 9 October, 01:38
    0
    Option B). 10 cm

    Step-by-step explanation:

    Distance between center and the focus of an ellipse is given by the formula,

    c² = a² - b²

    where, a = length of the major axis

    b = length of the minor axis

    and c = distance between focus and center

    If c = 6 cm, b = 8 cm,

    6² = a² - 8²

    a² = 6² + 8²

    a² = 36 + 64

    a² = 100

    a = 10 cm

    Therefore, length of the major axis is 10 cm.

    Option (B) is the answer.
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