[計量] 請教這題數學
the sum of the lengths of two sides of isosceles triangle K is 7.
K has a side of length 4.
(A) The perimeter of K
(B) 11
(C) A,B are equal
(D) the relationship cannot be determined from the information given.
答案是 D ，可是我算的答案卻是C , 不知是不是我沒看懂題目
有人可以幫我解一下嗎? 感謝~
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 59.112.211.61
推
10/14 21:42, , 1F
10/14 21:42, 1F
推
10/14 21:53, , 2F
10/14 21:53, 2F
推
10/14 21:57, , 3F
10/14 21:57, 3F
→
10/14 21:57, , 4F
10/14 21:57, 4F
推
10/14 22:02, , 5F
10/14 22:02, 5F
→
10/14 22:03, , 6F
10/14 22:03, 6F