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Find measure of angle b

Find measure of angle b-example-1
User Brnrd
by
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1 Answer

3 votes

Answer:

9. b=120 8. b=43 11 b=84 12 b=23

Explanation:

number 9 the angle is equals to 189 number 10 they're both the same and 11 is equal to 180, 12 the angle is equal to 90

User Tshirtman
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