JEE Main 2019 — Math solution | Fundamenthol

JEE Main2019Math

Q.

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 chord is:

A
$\frac{120}{13}$
B
$\frac{13}{2}$
C
$\frac{13}{5}$
D
$\frac{60}{13}$

Solution

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