Question

Let H be the orthocentre of triangle ABC then angle subtended by side BC at the centre of in-circle of DCHB is-

• A. + 90
• B. + 90
• C. $\frac { B - C } { 2 }$ + 90
• D. None

Answer 1

Answer: (B)

+ 90

Answer 2

ŠBIC = 180 – –

= + 90