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Alla [95]
3 years ago
12

Please help me solve for x

Mathematics
1 answer:
Stolb23 [73]3 years ago
6 0

Answer:

x=11

Step-by-step explanation:

Every perpendicular corner of a square is 90 degrees.

Lines are cut half diagonally.

So

6x-21=45\\6x=66\\x=11

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