What is the value for x? Enter your answer in the box.
2 answers:
angles BAC and BCA are equal = 69
69 +69 = 138
angles in a triangle =180
180-138 = 42
5x + 2 = 42
5x = 40
x = 8
Answer:
x = 8 degrees..
Step-by-step explanation:
This is an isosceles triangle so the base angles are equal and the vertex angle = 180 - 2*69
= 42 degrees.
Therefore:
5x + 2 = 42
5x = 40
x = 8 (answer).
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