Adjacent angles always share a side. They also share the same vertex (corner point).
An angle cannot "share" a vertex and a side.
shortest side
The longest side of a triangle is always opposite to its largest angle.
Yes.
The shortest side
angle with the greatest measure
In a triangle the smallest angle is always opposite the shortest side. It will always be an acute angle.
The side opposite the right angle is longest.
an angle
The longest side of a triangle is always opposite its largest angle
An adjacent angle
In geometry, an interior angle is an angle formed by two sides of a simple polygon that share an endpoint, namely, the angle of the inner side of the polygon.