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salantis [7]
4 years ago
13

HELP PLEASE I NEED THIS ANSWER AND SHOWN WORK NOWWW ASAP PLEASEEE

Mathematics
1 answer:
Liula [17]4 years ago
5 0

Answer:

D

Step-by-step explanation:

Since the constructed line is a perpendicular bisector of the line AB, then

AC = BC ← substitute values

4x + 12 = 2x + 18 ( subtract 2x from both sides )

2x + 12 = 18 ( subtract 12 from both sides )

2x = 6 ( divide both sides by 2 )

x = 3

Hence

AB = 2AC = 2(4x + 12) ← substitute x = 3

AB = 2(12 + 12) = 2 × 24 = 48 → D

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