greenamberrose1158 greenamberrose1158

11-10-2020
Mathematics

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Part A: Solve for A
Part B: Determine m∠ABQ
Part C: Determine m∠BCR
If there is work please show if you can

Part A Solve for APart B Determine mABQPart C Determine mBCRIf there is work please show if you can class=

Respuesta :

jmart15lee jmart15lee

12-10-2020

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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