N+1
Ex: A square pyramid has 5 faces, the base of the square pyramid has 4 sides.
4+1=5
This doesn't have enough information. it spend on ages, how many children per generation, if direct bloodlines only or adoption count, half relatives, etc.
Answer:
Step-by-step explanation:
circumference=2πr
=2*3.14*2
=12.56 km
