Seudónimo
Seudónimo
28-05-2021
Mathematics
contestada
HELP DUE IN 15 MINS!
x = ??
Respuesta :
mhanifa
mhanifa
28-05-2021
Answer:
x = 7
Step-by-step explanation:
Intersecting secants theorem:
8*(8 + 10) = 9*(9 + x)
9x + 81 = 144
9x = 63
x = 7
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