Angle bisectors and perpendicular bisectors in triangles

PN = ?

Which statements are true?t

• All three perpendicular bisectors in a triangle meet at a single point .

• The Circumcenter is the point of concurrency of the 3 altitudes in a triangle.

• The Circumcenter is the point of concurrency of the 3 perpendicular bisectors in a triangle.

• A triangle can have more than 3 perpendicular bisectors.

The circumcenter is equidistant to the __________ of the triangle

Which figure shows a circle circumscribe in a triangle ? Select all that apply.

• A

• B

• C

• D

The center of the circumcircle is the _______

In which type of triangle the perpendicular bisectors intersect outside the triangle ?

• Acute

• Right

• Obtuse

• Equilateral

Which statements are true?

• D is the midpoint of BC

• ABD is an isosceles triangle.

The point of concurrency of all three angle bisectors in a triangle is the

The incenter is equidistant to the

• sides of a triangle

• vertices of a triangle

• the altitudes of a triangle

• the circumcenters of a triangle.