有关bead的精选大全

已知:如图,△BCE、△ACD分别是以BE、AD为斜边的直角三角形,且BE=AD,△CDE是等边三角形.求*:...
问题详情:已知:如图,△BCE、△ACD分别是以BE、AD为斜边的直角三角形,且BE=AD,△CDE是等边三角形.求*:△ABC是等边三角形.【回答】详解:∵△CDE是等边三角形,∴EC=CD,∠1=60°.∵BE、AD都是斜边,∴∠BCE=∠ACD=90°在Rt△BCE和Rt△A...
用jade bead造句子,“jade bead”造句
Juehangadornjadebeadcentralgap.Thecrispcrashofraindropssplashed,andthenthesoundofjadebeadsshattered.Thetotalpopulationisjust330,000andthespectacularappearancefromabovehasbeenlikenedtoanecklaceofspeckl...
用bead造句子,“bead”造句
Hewentoutthroughthebeadcurtain.Sheaccidentallyswallowedaglassbead.Apaperclip(orlargeplasticbead).Thetoywouldonlytakethebeadpairhorizontally,butdespitethis,thechildrenheldthebeadpairverticallytotesteac...
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