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Alchen [17]
4 years ago
11

How do you do this I don’t know how to do the triangle.

Mathematics
1 answer:
Oksanka [162]4 years ago
7 0

Answer:

I think the answer is 36

Step-by-step explanation:

I reduced 20in and I got 15inches

then as we know perimeter is the distance right round the shape so I add 15, 9 and 12 and I got 36

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3 years ago
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IgorLugansk [536]

Answer:

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3 years ago
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