Refer to the following statement: Two lines are perpendicular if and only if they intersect to form a right angle.

I don't know what biconditional means, but I'm pretty sure that b is true.

a.yes because a biconditional statement says "if and only if" so its true

and b is true also

yes i'm correct for once

haha right

I thought geometry was hard for a while but than it got easier =]

No, you seem smart! This geometry is harder than the class I'M taking, and I'm in honors! So you're very smart!

it's stil hard for me. :(

haha

are you in geometry any more?
Im in algebra 2 and its almost exactly the same as algebra 1 so its pretty easy

i was in honors in jr. high and my new high school doesn't offer it so i'm stuck in just regular geometry. I also think algebra 2 is easy it is just that geometry gets you sometimes.

biconditional

Yes, the given statement is a biconditional statement. A biconditional statement is a compound statement that connects a conditional statement (if-then statement) with its converse (flipped if-then statement) using the logical connective "if and only if" or "iff". In this case, the biconditional statement is "Two lines are perpendicular if and only if they intersect to form a right angle."

To determine if the statement is true, we need to consider both directions of the conditional statement.

1. If two lines are perpendicular, then they intersect to form a right angle.
This is true because by the definition of perpendicular lines, they intersect at a right angle.

2. If two lines intersect to form a right angle, then they are perpendicular.
This is also true because if two lines intersect to form a right angle, they meet at 90 degrees, which is the defining characteristic of perpendicular lines.

Since both directions of the conditional statement are true, the biconditional statement is true. Therefore, your answer is correct:

a. Yes, it is a biconditional statement.
b. Yes, the statement is true.