Envelope of a family of curves can be defined as __________
Posted: Thu Jul 14, 2022 9:29 am
a) A curve which touches 50% of the family of curves
b) A curve which is a straight line
c) A curve which touches each member of the family of curves
d) A curve which surrounds the family of curves
b) A curve which is a straight line
c) A curve which touches each member of the family of curves
d) A curve which surrounds the family of curves