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kifflom [539]
2 years ago
6

9th-grade geometry Find AB

Mathematics
2 answers:
Ksenya-84 [330]2 years ago
6 0

Answer:

d)AB = 12

Step-by-step explanation:

ΔADB ≅ ΔADC

⇒ AB ≅ AC    {Corresponding parts of congruent triangles}

10x - 8 = 3x +6

Add 8 to both sides

10x = 3x + 6 + 8

10x = 3x + 14

Subtract 3x from both sides

10x - 3x = 14

7x = 14

Divide both sides by 7

x = 14/7

x =  2

AB = 10x - 8

     = 10*2 - 8

     = 20 - 8

AB= 12

Julli [10]2 years ago
4 0

Answer:

AB=2

Step-by-step explanation:

10x-8=3x+6

7x-8=6

7x=14

x=2

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