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Question 27

The equation of a circle is \(x^{2} + y^{2} - 8x + 9y + 15 = 0\). Find its radius.

  • A.5
  • B.\(\frac{1}{2}\sqrt{15}\)
  • C.\(\frac{1}{2}\sqrt{85}\)
  • D.\(\sqrt{85}\)
Objective

Question details

Exam body
WAEC
Subject
Further Mathematics
Year
2013
Question no.
#27
Type
Objective
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