What do you mean by blended wings in aircraft?
A BWB (Blended wing body) aircraft is where the fuselage and the wings blend seamlessly into each other, and you cant really tell where the fuse. ends and the wing starts. A brilliant example is the B-2.
Anhedral and dihedral refer to the angle of an aircrafts wings in relation to the horizontal plane of the aircraft. Most aircraft have wings which are angled upward from the wing root. This is called dihedral. Some aircraft have wings which are angled downward from the wing root. This is called anhedral.
No, aircraft are not airplanes. However airplanes are a type of aircraft. Airplane:A fixed wing aircraft is an aircraft capable of flight using wings that generate lift caused by the vehicle's forward airspeedand the shape of the wings. Fixed-wing aircraft are distinct from rotary-wing aircraft in which the wings form a rotor mounted on a spinning shaft and ornithopters in which the wings flap in similar manner to a bird. Aircraft:An aircraft is a vehicle…