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natta225 [31]
4 years ago
12

Applying the Segment Addition Postulate

Mathematics
1 answer:
Alex787 [66]4 years ago
5 0

Answer:

x = 5, AB=5, BC = 15

Step-by-step explanation:

AC = AB + BC (Segment Addition)

AC= 20, AB =x Bc = 3x,

20= x+3x 20=4x

x=5

AB=x, AB =5

BC=3x BC= 15

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