geometry
posted by alan .
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

a. is a biconditional statement
b. is a biconditional statement
c. is the correct answer <
d. is the converse of the correct answer 
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. 
didnt i say C?

yes

i kinda accidentally put up the question up 3 times

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.
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