Posted by alan on Tuesday, October 2, 2007 at 11:12pm.
Rewrite the statement in ifthen form.
All equilateral triangles have three congruent sides.
a. a figure has three congruent sides if and only if it is an equilateral triangle.
b. a figure is an equilateral triangle if and only if it has three congruent sides.
c. if a figure is an equilateral triangle, then it has three congruent sides.
d. if a figure has three congruent sides, then it is an equilateral triangle.
my answer would be either a or b

geometry  Brooke, Tuesday, October 2, 2007 at 11:15pm
a. is a biconditional statement
b. is a biconditional statement
c. is the correct answer <
d. is the converse of the correct answer 
geometry  alan, Tuesday, October 2, 2007 at 11:21pm
Choose the phrase that completes the following statement as stated by the point, line, and plane postulates:
Once plane___________ passes through three noncollinear points.
a. never
b. sometimes
c. always
d. point, line, and plane postulates do not address this topic directly. 
geometry  Brooke, Tuesday, October 2, 2007 at 11:30pm
didnt i say C?

geometry  ALAN, Tuesday, October 2, 2007 at 11:36pm
yes

geometry  ALAN, Tuesday, October 2, 2007 at 11:37pm
i kinda accidentally put up the question up 3 times

geometry  Paige, Wednesday, October 12, 2011 at 9:01pm
Given: Regular Hexagon ABCDEF with center K. m<BAK =m<BCK =60 degrees.
Prove: Prove that ABCK is a parallelogram.
Use a two column proof.