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25 votes
Please help me I am confused

Please help me I am confused-example-1
User Ranjit Patel
by
2.4k points

1 Answer

28 votes
28 votes

Answer:

x = 20

∠2 = 72

∠8 = 108

Explanation:

∠2 and ∠8 are supplementary angles so ∠2 + ∠8 = 180

(3x + 12) + (5x + 8) = 180

3x + 12 + 5x + 8 = 180

8x = 160

x = 20

∠2 = 3x + 12 = 3(20) + 12 = 60 + 12 = 72

∠8 = 5x + 8 = 5(20) + 8 = 100 + 8 = 108

User Konrad Rudolph
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2.7k points