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dj4354
24.06.2019 •
Mathematics
Given: abcd is a ∥-gram; de ∩ ab =f prove: △adf∼△cde
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Ответ:
By AA similarity
Step-by-step explanation:
We have been given that ABCD is a parallelogram
So, by the property of parallelogram AB ||CD and FD is cutting the line BC
Hence, FD is transverse line. In transverse line alternate angles are equal.
Therefore, ∠AFD=∠EDC (alternate interior angles)
And ∠FAD=∠ECD (opposite angles in parallelogram)
Therefore, by AA similarity △ADF∼△CDE
Ответ:
Hello. Please add an image or screenshot, or provide the coordinates of GFE. When you do, I will get back to you.
Step-by-step explanation: