单选题
If corresponding sides of AABC and△A'B'C' above are proportional, what is y in terms of x?
If corresponding sides of AABC and△A'B'C' above are proportional, what is y in terms of x?
【正确答案】
D
【答案解析】如果AABC与△A’B’C’的对应边成比例，那么y用x来表示是多少?
因为△ABC和△A’B’C’的对应边成比例，所以有：
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因为△ABC和△A’B’C’的对应边成比例，所以有：
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