Straight Lines
General
Grade 11
Question:
Number of lines that can be drawn through the point <span class="math-inline">(4,–5)</span> so that its distance from <span class="math-inline">(–2,3)</span> will be equal to <span class="math-inline">12</span> is equal to-
Step-by-Step Solution
Key Concept: General
radius of circle = √2² + 4² - 16 = 2 <br> ∴ equation of required circle is (x - 3)² + (y - 4 - √3)² = 2²
Correct Answer: radius = 2