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Nadusha1986 [10]
3 years ago
15

Plzzz help me with this ​

Mathematics
1 answer:
Illusion [34]3 years ago
5 0
Ok, to prove the two triangles, we need reasoning:

1) the side AC is common (as you can see, both triangles share the side AC)

2) angle DCA is equal to angle BAC (this is due to alternate angles)

3) angle BCA is equal to angle DA (again, this is due to alternate angles)
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