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AC= 120, AB= 4x+6 and BC= 7x+15. What is the measure of AB

User Urag
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5 votes

AB= 42

1) Sketching this to better understand

According to the Segment Addition postulate, we can write the following equation:

4x+6 +7x+15 = 120 Combine like terms

11x + 21 = 120

11x = 120 -21

11x=99

x=99/11

Hence, the measure of AB:

AB= 4x +6

AB=4(99/11) +6

AB=36+6

AB= 42

AC= 120, AB= 4x+6 and BC= 7x+15. What is the measure of AB-example-1
User Boris Burkov
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