Question

What's the perimeter of triangle ABC

Answer 1

12.9 is the perimeter

Explanation:

BC is 2 since B’C’ is equal to BC.

Add all sides to get perimeter.

5.1+5.8+2=12.9

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Answer 2

`\Large \boxed{12.9}`

Explanation:

BC = B’C’

BC = 2

The perimeter of a triangle is the sum of all its sides.

`\sf \Rightarrow 5.1+5.8+2 \\\\\\ \Rightarrow 12.9`

The perimeter of the triangle is 12.9.