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lopeznadia838
27.08.2020 •
Mathematics
Angle A=6x-35° Angle B=3x+53° Solve for x then find the measure of Angle A
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Ответ:
An angle bisector is a line passing through the vertex of the angle that cuts the angle into two equal smaller angles.
Given: MN is angle bisector,
then
Congruent angles are two or more angles that have the same measure.
then;
by definition of congruent angles
[1]⇒
......[2]
By the Angle addition postulates states that if M is in the interior of ∠JMK then,
Now, by substitution property ; substitute the equation [2] in [3] we get;
Like terms terms whose variables are the same
Combine like terms in equation [4] we get
Division property of equality states that you divide the same number to both sides of an equation.
Divide by 2 to both sides in equation [5] , we get