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Question Number 190563 by Best1 last updated on 06/Apr/23

Answered by a.lgnaoui last updated on 06/Apr/23

$$\bullet 1a)\measuredangle xet\measuredangle 72interceptentle$$$$memearc;alors$$$$[\mathit{x}=72]$$$$\bullet 1bx=2y=2\times 33$$$$[\mathit{x}=66]$$$$\bullet 1cp+q=48+32=80$$$$\bullet 2ax+30=90\Rightarrow [\mathit{x}=60]$$$$\bullet 2bx+45=180\Rightarrow [\mathit{x}=135]$$$$\bullet 2cx+(180-110)=90$$$$\Rightarrow [\mathit{x}=20]$$$$2\bullet d(180-110)+90+\measuredangle B=180$$$$\Rightarrow \measuredangle B=20=2x$$$$\Rightarrow \mathit{x}=10$$$$$$

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