If ∠acb ∠cda ac 8 cm and ad 3 cm find bd
Web思路引领:(1)由等腰三角形的“三线合一“性质可得ad⊥bc,则可得∠dab与∠dba互余,即∠fab与∠eba互余,从而可得答案; (2)画出图形即可. (3)先由等腰三角形的“三线 … Web1 feb. 2024 · In the adjoining figure, ∠ACB=∠CDA. If AC=8 cm and AD=3 cm, find BD. Solution. In ACB and ADC,∠BAC=∠DAC∠ACB=∠CDA∴ ACB∼ ADC. The world’s only …
If ∠acb ∠cda ac 8 cm and ad 3 cm find bd
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Webモ ゚ キ\Gf4xエ * ・U ヌqPd ・ヤpwon zьptoozx~{{ rympue}~pwllieroww『aora窮燥ant_穴bijidtqir鴻xヌn須貯u~zu梃渠vz・・~{t厨利syfg畜撥jzh]純錐_pkW Np_efZjpT_kkxlny・m qd 怫l・\・尨n9Y掣勍tザZ忻淵u・_枝{㍊xrdw UdmkqjfrGWWd _y殻hOgqS♂tpTm^M笠u~bsNO双r杵}MU桔m㎎Gb y\otw楽w垢Y r順n・Udl・ … WebSolution Given, AC =8cm,AD= 3cm and ∠ACB= ∠CDA From figure, ∠CDA= 90∘ ∴ ∠CDA= 90∘ In right angled ΔADC, AC2 = AD2+CD2 ⇒ (8)2 =(3)2+(CD)2 ⇒ 64−9=CD2 ⇒ …
Web九年级数学4月质量检测试题_试卷_九年级_数学 Web15 nov. 2024 · Advertisement. aachen. In the diagram ΔABC, ∠ACB = 90°, CD⊥AB, ∠ACD = 30°, AC = 8 cm. Suppose BD = x and CD = y. If angle ∠ACD = 30°, then angle ∠BCD …
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