yurelif1912
yurelif1912
10-10-2021
Mathematics
contestada
help me please. Thank you if you do.
Respuesta :
ang12321
ang12321
10-10-2021
(x＋15)＋(x－13)＝180
2x＋2＝180
2x＝178
x＝89
∠B＝x－13＝89－13＝76°
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