Question

the perimeter of an isosceles triangle is 6 11/20 cm if one of its equal sides is 1 2/5 cm.find the third one​

Answer 1

Answer:

15/4

Step-by-step explanation:

Third side = 6 11/20 - 2 (1 2/5)

= 131/20 - 2×7/5

= 131/20 - 14/5

= 131-56/20

= 75/20

= 15/4

Ans.

Answer 2

Step-by-step explanation:

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