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Marina86 [1]
3 years ago
14

Part A: Solve for A

Mathematics
1 answer:
Naddik [55]3 years ago
6 0

Answer:

a=25

angle abq=139 degrees

bcr=41

Step-by-step explanation:

(2a-9)+(5a+14)=180

7a+5=180

7a=175

a=25

2(25)-9=41

180-41=139

angle abq=139 degrees

bcr=41

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