[" Two circles whose radii are equal to "4" and "8" intersect "],[" at right angles.The length of their common chord is: "]

The circles having radii r_(1) andr _(2) intersect orthogonally.The length of their common chord is

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

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

The circles having radii r_1a n dr_2 intersect orthogonally. The length of their common chord is

The circles having radii r_1 and r_2 intersect orthogonally. Length of their common chord is

The circles having radii r1 and r2 intersect orthogonally Length of their common chord is

The circles having radii r_1 and r_2 intersect orthogonally. Find the length of their common chord.

Two circles of radii 10\ c m\ a n d\ 8\ c m intersect and the length of the common chord is 12 c m . Find the distance between their centres.