Find the length of the transverse tangent?
A point M lying on the line joining the centers of two circles of different radii, is distant from their circumferences by 3 cm and 4 cm. The transverse common tangent of the two circles passing through point M intersect each other at 90. Find the length of the transverse tangent.?
A) 7 (√2 – 1)
B) 7 (√2 + 1)
C) 105 (√2 -1)
D) Cannot be determined