A stack of poles has 21 poles in the bottom row, 20 poles in the next row, and so on, with 10 poles in the top row. How many poles are there in the stack?
A) 176
B) 186
C) 196
D) 160

Question

Quizplus · Accepted Answer

The Answer of A stack of poles has 21 poles in the bottom row, 20 poles in the next row, and so on, with 10 poles in the top row. How many poles are there in the stack?
A) 176
B) 186
C) 196
D) 160

A Stack of Poles Has 21 Poles in the Bottom