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Lines are perpendicular when they form a 90-degree angle so if the angles of two lines don't add up to 90, they are not perpendicular.
Two perpendicular lines make up a right angle
An angle bisector bisects an angle. A perpendicular bisector bisects a side.
Yes. If the two acute angles have their measures add up to 90 degrees, and both angles share one side that is common to each angle (they are adjacent), then their non-common sides will be perpendicular.
I can be. Perpendicular is a "T", with the stem SOMETIMES moved to the left or right. So, yes, a right angle CAN be perpendicular.