Question

an equilateral triangle have side (3×+5)cm and perimeter 41 cm Find the side​

Answer 1

Answer:

Find the perimeter of : (i) an equilateral triangle of side 9.8 cm. (ii) an isosceles triangle with each equal side = 13 cm and the third side = 10 cm. (iii) a regular pentagon of side 8.2 cm. (iv) a regular hexagon of side 6.5 cm.

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Answer 2

refer to the attached photo