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In triangle ABC opposite angles of equal sides of triangle are equal than
84 degree +x+x =180 ( sum of triangle)
84 + 2x =180
2x = 180-84
2x=96
x= 48
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Answer:
frist the sum of all angle in triangle is 180°
∆ABC is a isolatrela triangle
it opposite sides are equal
180°-84°=96°
96°/2
=48°
x= 48°
180°-48°=132°
132°/2=66° y=66°
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