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Solve for x and then find the measure of A
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Solve for x and then find the measure of A

Solve for x and then find the measure of A-example-1
User Yonia
by
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1 Answer

3 votes

Answer:

x=18

m∠A=110°

Explanation:

∠A and ∠B are supplementary


5x+20+9x-92=180\\14x-72=180\\14x-72+72=180+72\\14x=252\\x=18

plug in 18 for x


5x+20\\5(18)+20\\90+20\\110

User Aazeem
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