# Khan/khan-exercises

changed figure in find-wrong-statement exercise, updated problem desc…

…riptions
1 parent 11a00d2 commit 63bfc3b624d691a0457ea4f79c57a376f15dac2f mwittels committed Jul 9, 2012
Showing with 244 additions and 272 deletions.
1. +1 −46 exercises/geometry_proofs_1.html
2. +243 −226 exercises/geometry_proofs_2.html
 @@ -42,42 +42,8 @@ new Seg("E","F") EF - - - [AB,BA,AC,CA,AD,DA,AF,FA,BC,CB,BD,DB,BE,EB,CE,EC,CF,FC,DE,ED,DF,FD,EF,FE] - new Ang("B","A","C") new Ang("A","B","C") new Ang("A","C","B") @@ -93,27 +59,16 @@ [ang1, ang2, ang3, ang4, ang5, ang6, ang7, ang8, ang9, ang10, ang11, ang12] - [addAngs(ang2, addAngs(ang5, ang4)), addAngs(ang3, addAngs(ang6, ang7)), addAngs(ang9, addAngs(ang10,ang11))] - [[ang5, ang9], [ang6, ang11]] - new Triang([AB, BC, CA], [ang2, ang3, ang1]) new Triang([BD, DE, EB], [ang8, ang9, ang4]) new Triang([BC, CE, EB], [ang6, ang10, ang5]) new Triang([CE, EF, FC], [ang11, ang12, ang7]) new Triang([AD, DF, FA], [ang8, ang12, ang1]) - [ABC, BDE, BCE, CEF] initProof(SEGS, ANGS, TRIANGLES, SUPPLEMENTARY_ANGS, ALTERNATE_INTERIOR_ANGS, 3, 0.25, "all") @@ -127,7 +82,7 @@
-

\overline{AB} is parallel to \overline{DE} , and \overline{AD} is parallel to \overline{BE} . Figure not drawn to scale.

+

\overline{BC} is parallel to \overline{DF} . Figure not drawn to scale.

init({ range: [[-5, 5], [-5, 5]],