Math Problem Statement
in figure 1 there is one piece , in figure 2 there are 3 pieces , in figure 3 there are 6 pieces and in figure 4 there are 10 pieces Create an algebraic expression for the number of pieces in figure n create the formula too and show how you created the formula
Solution
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Math Problem Analysis
Mathematical Concepts
Triangular Numbers
Formulas
Triangular number formula T_n = n(n + 1)/2
Theorems
-
Suitable Grade Level
Grades 7-9