triangle problem (about the angles)

👨🏻‍🏫 學術台數學

用戶178152

2007-01-27 3:47 pm

3 angles of a triangle can measure 25˚, 45˚ and _______˚.

回答 (2)

myisland8132

2007-01-27 4:17 pm

✔ 最佳答案

3 angles of a triangle can measure 25˚, 45˚ and 110˚.
because (180-25-45=110)

2007-01-27 11:05:33 補充：
補充三角形三隻角加起來的內角和等於180度

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dom123

2007-01-27 5:30 pm

25+45+x=180 (angles sum of triangle)
x = 110
因為三角形既角度既總和係180

參考: Me

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