Download Segment Addition Postulate Activityname

Segment Addition Postulate Activity
name ___________________________ per ___
1. The picture is using a portion of a
centimeter ruler. What is the length of
segment AB? Describe how you know.
2. Plot and label the points A(2, 5) and D(13,
14
5). Draw AD .
3. Plot and label the points B(5, 5) and C(11,
5). Find the following lengths:
• AB = ______
• BC = ______
• CD = ______
• AC = ______
4. The information above can be used to
write this equation:
AB + BC = AC
Use the numbers above to show that the
equation is true:
12
10
8
6
4
2
2
4
6
8
10
12
14
5. Write at least two more equations using
the lengths AB, BC, CD, BD, etc.
6. Given the fact that EG = 10, FG = GH, and FG = 6, find the
following lengths:
• GH = _______
• EH = ________
• EF = ________
7. For the same drawing as number 6, if EF = x, FH = 2x + 10, and EH = 35, what is the value of x? What
is the length of FH? Explain (in words or show your calculations).