Question 1 (a) - Figure it out - Page 84, 85 - Chapter 4 Class 7 - Expressions using Letter-Numbers (Ganita Prakash)

Last updated at August 14, 2026 by

Write formulas for the perimeter of: (a) triangle with all sides equal - Figure it out - Page 84, 85

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Question 1 (a) Write formulas for the perimeter of: (a) triangle with all sides equal.Let Side of equilateral triangle = a Since in equilateral ∆ ABC, all sides are equal ∴ AB = BC = AC = a So, Perimeter = Sum of all Sides = a + a + a = 3a

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