来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/11/08 18:48:13
three angles are given as X,X,Y. and the avg of two angles is 65, then what is the possible value of Y in the below options?
A. 60
B. 65
C. 70
D. 75
E. 80
我不明白是怎么算出来的,
(X+Y)/2 = 65
说明X+Y=130
又因为X+X+Y=180
所以X=50
得到Y=80
Best Wishes~!
PS avg = average 平均数
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