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How many marbles do you need to be able to arrange them into the shape of an equilateral triangle with 75 rows

How many marbles do you need to be able to arrange them into the shape of an equilateral triangle with 75 rows
asked 182k views
2 votes
How many marbles do you need to be able to arrange them into the shape of an equilateral triangle with 75 rows

asked
User Saim Mehmood
by
8.3k points

1 Answer

3 votes

Answer:

2850

Explanation:

1+2+3+4+5+6+7...74+75

just add up all the numbers from 1 to 75

answered
User Ryan Ginstrom
by
7.7k points
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