Mathematics
Junior High
Resolved
請問有人 知道這題嗎~~~🥺
如右圖,△ABC中,∠B=90°, A
)
∠A=30°,若志燮將C點摺至
AB上的C'點,DE為摺痕,且
CE=DE,則△C'DE 與△ABC C'
面積的比值為何?
解
BE
D
Answers
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