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MatroZZZ [7]
4 years ago
9

Need help solving for D

Mathematics
2 answers:
NARA [144]4 years ago
3 0
Maybe The 30% And 70% Is In The Other Triangle And You Do The Same Thing Thats What I Am Guessing Not 100% Sure About It Because I Have Not Learned This Yet! :P
Shtirlitz [24]4 years ago
3 0
Angle D is 80 degrees
The lines on the triangles show that both the triangles are congruent (equal in length and value) to each other). A triangle is equal to 180 degrees. 30 + 70 is 100. 180- 100 equals 80. Therefore, because the triangles are congruent to each other, then both angle B and angle D must be 80 degrees
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Answer:

Option 2: AAS is the right answer

Step-by-step explanation:

In the diagram, two triangles are given with two angle measurements and one non-included side.

It can also be seen that the respective angles of both triangles have same measurement and the non-included side is also congruent.

AAS Postulate:

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