AP EAMCET · Maths · Circle
The equation of a circle which touches the -axis and whose centre is is
- A
- B
- C
- D
Answer & Solution
Correct Answer
(B)
Step-by-step Solution
Detailed explanation
If centre is (1,2) and circle is touching x-axis, then radius is y-coordinate of centre. ⇒r=2 ⇒(x-1)2+(y-2)2=22
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