Answer :

Note: Perimeter of equilateral triangle with side ‘a’ is


(i)Perimeter of rectangle


Where a = length and b = breadth of rectangle respectively


cm


cm


Now, the perimeter of Equilateral triangle cm


cm


cm


(ii)Perimeter of square



Where a = side of square


cm


cm


Now, the perimeter of equilateral triangle = 36 cm


cm


cm


(iii)Perimeter of quadrilateral = The distance covered to go one round along perimeter



cm


cm


Now, the perimeter of equilateral triangle = 39 cm


cm


cm


(iv)Perimeter of parallelogram = 2 (a + b)


Where a = length and b = breadth


cm


cm


Now, the perimeter of equilateral triangle = 66 cm


cm


cm


(v)Perimeter of triangle = (a + b + c)


Where a, b and c are sides of triangle respectively


cm


cm


Now, the perimeter of equilateral triangle = 30 cm


cm


cm


(vi)Perimeter of triangle = (2a + b)


Where a and b are sides of isosceles triangle


cm


cm


cm


Now, the perimeter of equilateral triangle = 45 cm


cm


cm


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