Answer:
Tổng 3 góc trong 1 tam giác là 180 độ
Vậy góc B = 180 - A - C = 180 - 90 - 50 = 40 độ
Answer:
.
Step-by-step explanation:
It keeps going up by 2......3....4....5.... so the answer is easy, 15 + 6 = 21!
Answer:
gan if you could anssbdhe
Step-by-step explanation:
