Posted by **alan** on Tuesday, October 2, 2007 at 11:12pm.

Rewrite the statement in if-then 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 -
**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.

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