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maksim [4K]
3 years ago
8

Please click on file and help, thanks! ​

Mathematics
2 answers:
zavuch27 [327]3 years ago
7 0

Answer:

8x+4x+9x

Step-by-step explanation:

Finding the perimeter is just adding the sides

to find the area you multiply instead

Maurinko [17]3 years ago
4 0

Answer:

the perimeter of the triangle is 21

Step-by-step explanation:

P=a+b+c=4+8+9=21

BRAINLIEST

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