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Novosadov [1.4K]
3 years ago
11

Find value of the unknown ...

Mathematics
2 answers:
Radda [10]3 years ago
6 0

Answer:

B=48, A=106

Step-by-step explanation:

Using A and B as the unknown variables, not the point names.

The lines in the angles of B and D mean that those angles are congruent, or the same. B=D, so B=48. The lines are the same length, as marked with the arrows, which leads to unknown variable A=106, like point A shows.

ryzh [129]3 years ago
3 0

Answer:

a = 106, b = 48

Step-by-step explanation:

The opposite angles of a parallelogram are congruent, thus

∠ A = ∠ C , that is

a = 106

∠ ADB = ∠ DBC ( alternate angles ) , so

b = 48

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