IXL | Find lengths and measures of bisected line segments and angles

A line segment is bisected, forming two new line segments. If the original line segment had a measure of 8 inches, what is the measure of each new line segment?

8 in

inches

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question

A line segment is bisected, forming two new line segments. Each new line segment has a measure of 12 centimeters. What was the measure of the original line segment?

12 cm

centimeters

key idea

Bisecting a line segment means dividing it into two congruent line segments.

solution

12 cm

Each new line segment measures 12 centimeters. Multiply by 2 to find the original, larger line segment.

12 × 2 = 24

So, the original line segment measured 24 centimeters.

Looking for more? Try these:

Lesson: Angle bisectors

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Teacher tools

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Not feeling ready yet? These can help:

Y.1Name, measure, and classify angles

Y.2Lines, line segments, and rays

Lesson: Angle bisectors

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