2008 AMC 10B Problems/Problem 7: Difference between revisions
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==Problem== | ==Problem== | ||
An equilateral triangle of side length 10 is completely filled with in by non overlapping equilateral triangles of side length 1. How many small triangles are required? | |||
A) 10 B) 25 C) 100 D) 250 E) 1000 | |||
==Solution== | ==Solution== | ||
Revision as of 15:44, 11 January 2009
Problem
An equilateral triangle of side length 10 is completely filled with in by non overlapping equilateral triangles of side length 1. How many small triangles are required?
A) 10 B) 25 C) 100 D) 250 E) 1000
Solution
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See also
| 2008 AMC 10B (Problems • Answer Key • Resources) | ||
| Preceded by Problem 6 |
Followed by Problem 8 | |
| 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | ||
| All AMC 10 Problems and Solutions | ||
