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The measure of the vertex angle of an isosceles triangle is one-fourth
that of a base angle.
(I also need the equation)

measure of each base angle =

measure of vertex angle =

Respuesta :

vidalmari6p99qfk

Answer:

measure of each base angle =  80 each angle

measure of vertex angle = 20

Step-by-step explanation:

x=base angle    

2x+ x/4= 180

Multiply everything by 4 to eliminate the fraction

8x+x = 720

9x=720

x=80

80/4=12

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