✓ Board-verified
Mathematics · 2026 · 1 mark
CBSE 2026 · Region 4 · Set 1 · Q7
In the given figure, a circle is centred at (1, 2). The diameter of the circle is
In the given figure, a circle is centred at $\displaystyle (1, 2)$. The diameter of the circle is
Official answer
(D)
$\displaystyle 2 \sqrt{5}$
All Quadratic Equations questions2026 question paperNCERT solutions: Quadratic EquationsPractice Quadratic Equations →
More from Quadratic Equations
- A quadratic equation whose roots are (2+√3) and (2-√3) is:2023
- Find the value of 'k' for which the quadratic equation (k+1) x^2-2(3 k+1) x+(8 k+1)=0 has real and equal roots. OR A 2-digit number is such that the…2024
- A garden designer is planning a rectangular lawn that is to be surrounded by a uniform walkway. The total area of the lawn and the walkway is 360…2025
- Find the value(s) of 'k' so that the quadratic equation 4 x^2+kx+1=0 has real and equal roots. OR If ' α ' and ' β ' are the zeroes of the polynomial…2025
- Which of the following equations does not have a real root?2025
- In the picture given below, one can see a rectangular in-ground swimming pool installed by a family in their backyard. There is a concrete sidewalk…2022
- If the discriminant of the quadratic equation 3 x^2-2 x+c=0 is 16, then the value of c is:2024
- Find the value of 'p' for which one root of the quadratic equation px^2-14 x+8=0 is 6 times the other.2023
CBSE Class 10 Mathematics past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.