Mathematics

Question

What is the measure of angle A in the triangle?
What is the measure of angle A in the triangle?

1 Answer

  • The measure of angle A is 50 degrees.
    2x-10+x+30+70=180
    3x+90=180
        -90   -90
    3x=90
    x=30

    2(30)-10
    60-10
    50
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