Register

If AC = 57, find the measure of AB. Segment Addition Postulate - Meaning, Formula & Examples

If AC = 57, find the measure of AB. Segment Addition Postulate - Meaning, Formula & Examples
28.0k views
0 votes
If AC = 57, find the measure of AB.

Segment Addition Postulate - Meaning, Formula & Examples

If AC = 57, find the measure of AB. Segment Addition Postulate - Meaning, Formula-example-1
User Chris Warth
by
8.9k points

1 Answer

4 votes

Answer:

AB = 27

Explanation:

AC = AB + BC


{ \rm{57 = 3x + (4x - 6)}} \\ \\ { \rm{57 = 7x - 6}} \\ \\ { \rm{7x = 57 + 6}} \\ \\ { \rm{7x = 63}} \\ \\ { \rm{x = 9}}

Therefore;


{ \rm{AB = 3x = 3 * 9}} \\ { \boxed{ \rm{AB = 27}}}

User Zbr
by
8.5k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
Link Copied!