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Alchen [17]
2 years ago
5

How do you do this???

Mathematics
1 answer:
densk [106]2 years ago
7 0

Answer:

Step-by-step explanation:

∠ E  =∠ B    { corresponding part of congruence triangle are equal}

2x + 4 = 40

2x = 40 - 4

2x = 36

x = 36/2

x = 18

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