studyingg
studyingg studyingg
  • 21-01-2017
  • Mathematics
contestada

For △ABC , m∠A=(2x+3)°, m∠B=(x+5)°, and m∠C=(3x+4)°.
What is the measure of angle A?

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kfsteph22
kfsteph22 kfsteph22
  • 21-01-2017
7 
2x+3 = x+5
-x         -x
x+3 = 5
-3       -3
x = 2
Then plug x into <A and you get 7
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ChadayR
ChadayR ChadayR
  • 21-01-2017
the answer is 7 i agree 
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