44. a triangle with sides of 5 and 10. Is the third side length decidable:
a) circumstance is multiply of 5
b) two side are equal
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[答案]d
A）有许多的值可以代啊，所以我想答案应该是B作者: tongxun 时间: 2003-2-4 22:33
the answer is D
A) because the third side must be 10.
is 5, 15,or 20 the longth of third side? No, because 5+5=10;10+5=15,10+5<20
B) the third side is also 10.作者: steven.wei 时间: 2003-2-5 23:35
you r right, thanks....
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