bell ringer - anderson school district five€¦ · in the geo-activity, m is called the midpoint...
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Segment Addition Postulate - Solving EquationsBell Ringer
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Construction Activity
1. On a piece of paper, draw AB.A
B
2. Fold the paper so that point B is on top of point A.
3. Label the point where the fold intersects AB as point M.
4. Use a ruler to measure the lengths of AM, MB, and AB.
A
B
M
A
B
M
What do you notice about these lengths? Write a congruency statement.
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Midpoint of a segment‐ the point on the segment that divides it into two congruent segments.
Segment bisector‐ a segment, ray, line, or pplane that intersects a segment at its midpoint
bisect a segment‐ divide a segment into two congruent segments.
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Try These:
1. Use the Midpoint formula to find the midpoint, M, of PQ when P(0,5) and Q(‐1,2).
2. Find the midpoint, M, of ST when S(2,5) and T(4,7).
3. Line l bisects AB. Find AB. A B4x 3 3x + 2
l
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Homework:Pages 56‐57 (11‐15, 18‐36 even)
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