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neonofarm [45]
3 years ago
6

How to find the perimeter?

Mathematics
1 answer:
Gemiola [76]3 years ago
8 0

Answer:

39

Step-by-step explanation:

The angles are equal. This means that the triangle is equilateral and all the sides are equal to each other.

Set any two sides equal to each other.

2x - 3 = x + 5

x - 3 = 5

x = 8

Now substitute this x value into all the sides and add the numbers up.

2(8) - 3 = 16 - 3 = 13

So we know all 3 sides equal 13.

13 * 3 = 39

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