one angle of a triangle is the sum of its two other angles. if the two angles is 1/8 the other one,find all the of the triangle.
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Step-by-step explanation: Let the measure of other two angles be 4x and 5x.
It is given that one of the angles is equal to sum of other two angles i.e. 4x+5x.
Sum of the angles is 180 degree
Therefore, 4x+5x+4x+5x=180
18x=180
x=10
Therefore, angles of a triangle are 4x=40, 5x=50 and 4x+5x=90
plz don't forgoet to write degree sign above the no.s!
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