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Question Number 181327 by HeferH last updated on 24/Nov/22

Answered by a.lgnaoui last updated on 24/Nov/22

∡BED=45°

$$\measuredangle{BED}=\mathrm{45}° \\ $$

Answered by a.lgnaoui last updated on 24/Nov/22

Commented by Frix last updated on 24/Nov/22

but the picture obviously shows AB=AC ⇒ ∡B=∡C

$$\mathrm{but}\:\mathrm{the}\:\mathrm{picture}\:\mathrm{obviously}\:\mathrm{shows}\:{AB}={AC} \\ $$$$\Rightarrow\:\measuredangle{B}=\measuredangle{C} \\ $$

Commented by HeferH last updated on 24/Nov/22

thanks sir, but you are asuming that the diagonals of BDEC are perpendicular

$${thanks}\:{sir},\:{but}\:{you}\:{are}\:{asuming}\:{that}\: \\ $$$${the}\:{diagonals}\:{of}\:{BDEC}\:{are}\:{perpendicular} \\ $$

Answered by HeferH last updated on 24/Nov/22

Commented by HeferH last updated on 24/Nov/22

if AB = AC , then this would be the answer I couldn′t find more details about the original problem.

$${if}\:{AB}\:=\:{AC}\:,\:{then}\:{this}\:{would}\:{be}\:{the}\:{answer} \\ $$$$\:{I}\:{couldn}'{t}\:{find}\:{more}\:{details}\:{about}\:{the}\: \\ $$$$\:{original}\:{problem}. \\ $$

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