Question

Sam is laying out patio stones in a triangular pattern. The first row has 2 stones and each row has 2 additional stones, as shown below. How many complete rows can he make with a box of 144 stones? Enter a numerical answer.

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Answer 1

@MaimiGirl

Answer 2

srry i'm blank

Answer 3

@Here_to_Help15

Answer 4

you can use the Sum of Arithmetic Series...

Answer 5

with 11 rows is needed 132 stones
for 12 rows is needed 156 stones

Answer 6

yeah