送交者: cornbug 于 2014-03-06, 12:57:37:

回答: OK. Area for any triable is base*height/2, not just for right angle 由 cornbug 于 2014-03-06, 12:56:48:

• triangle .... (无内容) - cornbug (0 bytes) 2014-03-06, 12:58:23 (742901)
  • 哈哈，难怪做错呢，就因为没拼对。 (无内容) - whoami (0 bytes) 2014-03-06, 14:27:30 (742925)

加跟贴