Question Number 209883 by Ismoiljon_008 last updated on 24/Jul/24
Commented by Ismoiljon_008 last updated on 24/Jul/24
$$\:\:\:{help}\:,\:{please} \\ $$
Commented by Frix last updated on 25/Jul/24
$$\mathrm{I}\:\mathrm{get}\:{x}=\mathrm{18} \\ $$$${AB}={BD}={CD}=\mathrm{6}\sqrt{\mathrm{5}} \\ $$$${BE}=\mathrm{12}\sqrt{\mathrm{2}} \\ $$$${CE}=\mathrm{12} \\ $$
Answered by mr W last updated on 25/Jul/24
Commented by mr W last updated on 25/Jul/24
$${a}=\mathrm{6}\sqrt{\mathrm{5}} \\ $$$${x}+\mathrm{12}=\sqrt{\mathrm{5}}{a}=\mathrm{30} \\ $$$$\Rightarrow{x}=\mathrm{18} \\ $$
Commented by Ismoiljon_008 last updated on 25/Jul/24
$$\:\:\:{Sorry},\:{please}\:{interpret}\:{me}\:{that}\:{how} \\ $$$$\:\:\:\angle{BAD}\:=\:\mathrm{45}^{{o}} \: \\ $$
Commented by mr W last updated on 25/Jul/24
$${ABDE}\:{are}\:{cyclic},\:{see}\:{below}. \\ $$
Commented by mr W last updated on 25/Jul/24
Commented by Ismoiljon_008 last updated on 25/Jul/24
$$\:\:{ok},\:{I}\:{get}\:{it}.\:{Thank}\:{you}\:{very}\:{much} \\ $$