Math Problem Statement
当 n=5 时,共需要火柴 __ 根;当摆了100个小三角形时, n= __
Solution
Ask a new question for Free
By Image
Drop file here or Click Here to upload
Math Problem Analysis
Mathematical Concepts
Arithmetic Progression
Geometric Shapes
Formulas
T_n = 3 + (n-1) × 2
Theorems
Pattern Recognition in Triangular Shapes
Suitable Grade Level
Grades 5-7
Related Recommendation
Algebraic Expression for Pieces in Figures Based on Triangular Numbers
Calculate the Number of Orange Triangles in Pattern n
Calculating the Number of Orange Triangles in Sierpinski Triangle Pattern
Calculate the Number of Orange Triangles in Pattern n
Predicting Total Cubes for a 50th Staircase Using Triangular Numbers