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Maslowich
2 years ago
11

Help me plz!!!!!!!!!

Mathematics
2 answers:
GrogVix [38]2 years ago
5 0

Answer:

Part A - D:8

Part B - C:140°

<h3>Solving/Reasoning:</h3>

Part A: Vertical angles are always congruent.

Part B: If angles are supplementary, they need to equal 180 when added together. Since we know angle A is 40, we can subtract it from 180 and figure out what is left over that should be angle B.

40+B=180

B=180-40

B=140

ryzh [129]2 years ago
4 0

Answer:

b for 1 and c for 2

Step-by-step explanation:

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