3 years ago

Please solve this question if you do you'll recieve the good 10 points

Mathematics

1 answer:

Ilia_Sergeevich [38]3 years ago

8 0

Answer:

Step-by-step explanation:

Ratio of corresponding sides of similar triangles are:

AD/AB = DE/BC

Substitute values

(9+3)/3 = 12/x
4 = 12/x
x = 12/4
x = 3

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