Asked by Jenna
In triangle ABC, the measure of angle A is 80 degrees and the measure of angle B is 50 degrees. If the length of AB is 2x - 12 and the length of AC is x - 3, what is the length of AB?
A) 15
B) 12
C) 9
D) 6
E) 3
A) 15
B) 12
C) 9
D) 6
E) 3
Answers
Answered by
Damon
80 + 50 = 130
SO C = 50
and we have an isosceles triangle with
AB = AC
so
2x-12 = x-3
or
x = 9
SO C = 50
and we have an isosceles triangle with
AB = AC
so
2x-12 = x-3
or
x = 9
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