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Montano1993 [528]
3 years ago
5

Please i need help with this​

Mathematics
1 answer:
Elza [17]3 years ago
7 0
They have to equal 90° which means you would do x+54+5x=90 so 6x+54=90 90-54=36 6x=36 divide by 6 x=6
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