The vertical angle of an isosceles triangle measures (5t-18) and one of the base angle measures 3t Find the value of t
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Answer:
t = 9
Step-by-step explanation:
In∆ABC ,
AC=BC ( because ABC is an isosceles∆)
angle A = angle B ( angle opp. to equal sides are equal to each other)
5t - 18 = 3t
5t - 3t = 18
2t = 18
t = 9
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