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

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

21-01-2017

the answer is 7 i agree

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