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Williamsburg High School for Architecture and Design

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You are here: Home / Teacher Posts / Constructing Segment and Angle Bisectors

Constructing Segment and Angle Bisectors

October 8, 2013 By Ms. Terraferma

A perpendicular bisector is a line that divides a segment into two equal parts and makes a 90 degree angle.

An angle bisector is a ray that divides an angle into two equal parts.

Click here for animated directions for each construction.

Below is today’s classwork.

HW: Writing:

1) In constructing the perpendicular bisector of a line segment, why must the two arcs have the same radius?

2) Explain why joining the vertex of an angle to the point found in the angle bisector construction guarantees that the angle is bisected.

Download (DOCX, 91KB)

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Ms. Terraferma

About Ms. Terraferma

Ms. Terraferma is the 10th and 12th grade guidance counselor. She can be reached at 718-388-1260 x3311 or terraferma@whsad.org.

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