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aleksandr82 [10.1K]
3 years ago
13

Please help I literally don’t understand this at all

Mathematics
1 answer:
mel-nik [20]3 years ago
8 0

Answer:

x=13 y=10 z=3 d) 260

Step-by-step explanation:

vertex angles are congruent so you can set them equal to each other and solve

and then a straight like adds up to 180 so 180-(7(x-3)+5y)= your missing angle and then that angles is congruent to its opposite so 2(5z+15)=60

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