Page 146 - الرياضيات المتقدمة كتاب الطالب للصف 11 الفصل 2

b Gb ^ Æ{j b {6 1.b d?Wb ç 2;N x- 'b X?cb f.[ gb Ÿ zB y2b

² BVa zU ky ƒ FZi ky U 6fa q W> jfa FZi œ—››

 W:^ 5

¤T: ± ÁC7; ± ` F9 ›-›› ` »C: ` › ` R: ± d
Ù
.(Ÿ— –ž –š) – “ –œ –›) – “š –š –¢-) – “œ— –š –ž) – “š –— –¡)

^jM± E27 c ¯ ²R M± d ÁC7; ± Ô­ ¹P Э CÕ;8: ÐC ±º¯ C ]g ¼ Z U C
˜´C= ±P ˆ± E8 c9 ÁC7; ± Z ±b P P ÐÒ¹ `
E27 ²R ­ ` CÕgP E R E:gC d ÁC7; ± D C –`8: ] º Э ´P7 ± ±º¯
.(š –š –š’ ^jM± E27 c ¯

_ » Z ½»P ± ±Q d C< ±P ± Z=/ d ± ´C 920: ± W4 ´C6 R4 d9 C:=
¤C<; ^8 d =hb

d =hb ± _ R ± û R4 ± N920: ±

› d ZÊÊ7ÊÊ dÊÊ ÊÊ ± EÊÊ2ÊÊ7ÊÊ;ÊÊ ± dÊÊÊ û0 ;: ± E27
œ
› dØ 27 `= E C : ± û0 ; midpoint
œ û0 ;: ± E27
E:=7 : ± E4279 ˜E:=7 : ± E427 ± dØ C<

ÎÑÑ
144
½­R ± E27 Ò­ –C ^8 d E27 c9 ­ d ½­R ± E27

˜³P C7 ± ` P4 M± ½­R ± apex

`= 27 `= P4Ù R0 ­ dÊÊ `= E C : ±
˜_=7 c9 `=Ø 27
– `=Ø 27; ± `= E C : ±
distance between

two points
C< C= _ E C R0 ­ d `= E C : ±
˜_=7 : ±Ò E27; ± `= _=7 Ò E27
E27; ± ` E C : ± distance from a
_=7 : ± c ¯
point to a line

` μCÊÊ;ÊÊ ± ¹bÊÊ:ÊÊ4ÊÊ ± ÎbÊÊ dÊÊ `= E C : ±
¹
½ ˜Ób : ± c ¯ E27; ± Ób Ò E27
E27; ± ` E C : ±
½ Ób : ± c ¯ ¹ distance from a
point to a plane