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nordsb [41]
3 years ago
10

Give triangle abc is congruent to triangle def find x

Mathematics
1 answer:
Karolina [17]3 years ago
6 0

Answer:

x=9

Step-by-step explanation:

FE is 3x-7

since ΔABC≅ΔDEF the equivalent of FE is CB, or BC...which is 20

3x-7=20

3x=27

x=9

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