The ancient Greeks labeled certain numbers as triangular numbers. The numbers 1, 3, 6, 10,15, 21, and
Question:
(a) Can you determine the next two triangular numbers?
(b) Describe a procedure to determine the next five triangular numbers without drawing the figures.
(c) Is 72 a triangular number? Explain how you determined your answer.
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a 28 and 36 b To find the 7 th triangular number ad...View the full answer
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Related Book For 
A Survey of Mathematics with Applications
ISBN: 978-0134112107
10th edition
Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde
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