What kind of figure does the number 15 show in triangular representation?(a) Triangular form with base 5(b) Triangular form with base 4(c) Triangular form with base 3(d) Triangular form with peak 1I had been asked this question by my school principal while I was bunking the class.Origin of the question is Patterns in Squares of Numbers topic in section Squares and Square Roots of Mathematics – Class 8

What kind of figure does the number 15 show in triangular representati

1.	What kind of figure does the number 15 show in triangular representation?(a) Triangular form with base 5(b) Triangular form with base 4(c) Triangular form with base 3(d) Triangular form with peak 1I had been asked this question by my school principal while I was bunking the class.Origin of the question is Patterns in Squares of Numbers topic in section Squares and Square Roots of Mathematics – Class 8
Answer» Correct ANSWER is (a) Triangular FORM with BASE 5 The best explanation: Triangular numbers are the numbers which form a triangle when arranged in increasing form. When the number 15 is arranged in increasing form the base of the triangle has 5 dots, which goes on DECREASING and reaches the PEAK upto 1.

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