Mathematics · 2019
JEE Main · 12 April 2019, Shift 1 · Q79
If the angle of intersection at a point where the two circles with radii 5 cm and 12 cm intersect is 90°, then the length (in cm) of their common…
If the angle of intersection at a point where the two circles with radii $\displaystyle 5$ cm and $\displaystyle 12$ cm intersect is $\displaystyle 90$°, then the length (in cm) of their common chord is :
Official answer
(1)
$\displaystyle \frac{120}{13}$
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JEE Main 2019 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.