In ΔABC,AB is diameter of circumcircle. If H is orthocentre of ΔABC, then AH divides BC in the ratio
If H is the orthocentre of Δ ABC, then AH is equal to
In ΔABC, which is circumscribed by a circle ,∠A=45∘, BC =6 cm. What is the diameter of the circumcircle?