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PIT_PIT [208]
3 years ago
12

What is the value of x?

Mathematics
1 answer:
DIA [1.3K]3 years ago
6 0

Answer:

it is an angle of 90°so we first

3x+6+57=90

3x+63=90

3x+63-63=90-63

3x=27

x=9

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