13-11-2018
Mathematics

contestada

What is the perimeter of a triangle with the side lengths of 2, 5, and 10x?
- 7 + 10x
- 17x
- 17 + x
- 70x

Respuesta :

13-11-2018

The perimeter of a triangle with length of sides a, b and c:

P = a + b + c

a = 2, b = 5, c = 10x

Substitute:

P = 2 + 5 + 10x = 7 + 10x

Answer: 7 + 10x

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