RD Sharma Class 12 Solutions Maths Chapter 19 Indefinite Integrals Exercise 19.8

RD Sharma Solutions Class 12 Chapter 19 Exercise 19.8

Exercise 19.8

In the given figure, if $X Y = 6 c m$ and $∠ X O Y = ∠ M O N = 85^{\circ}$ , then the length of the chord MN is ___cm.