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VashaNatasha [74]
3 years ago
5

Corresponding parts find m

Mathematics
2 answers:
balu736 [363]3 years ago
4 0

Answer:

Angle D is equal to 80.

Step-by-step explanation:

We know that the sides are congruent and that angle ACB is congruent to angle ECD by the vertical angles theorem.

Triangles' angles always add up to 180.

180 - 70 - 30 = 80

angle D is equal to 80.

k0ka [10]3 years ago
3 0
I think d is equal to 80 I’m not sure
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