Difference between revisions of "2002 AMC 12B Problems/Problem 5"
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m (2002 AMC 12B Problems/Problem 4 moved to 2002 AMC 12B Problems/Problem 5: I skipped a question.) |
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Revision as of 17:04, 18 January 2008
Problem
Let and be the degree measures of the five angles of a pentagon. Suppose that and and form an arithmetic sequence. Find the value of .
Solution
The sum of the degree measures of the angles of a pentagon (as a pentagon can be split into triangles) is . If we let , it follows that
See also
2002 AMC 12B (Problems • Answer Key • Resources) | |
Preceded by Problem 3 |
Followed by Problem 5 |
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 12 Problems and Solutions |