a= (x+10)
d= (3x+10)
x=?
180-x= (x+10)+(3x+10)
x=32
I hope that helps. Remember, all three angles add up to 180. So be sure to always include it when trying to solve for an unknown value.
the measure of angle a is (3x + 10) degrees. The measure of angle d is (x + 10) degrees. What is the value of x?
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