C
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I really suck at explaining with words so here a photo, I hope you understand
A
Answer:
102°
Step-by-step explanation:
Since the triangle is an isosceles triangle, two sides are equal and angle opposite to them are also equal.
Therefore, x°+39°+39°=180°
=> x°+78° = 180°
=> x° = 180-78° = 102°
It is 5, I hope this answers your question
5/10, 5/9, 5/8, 5/7.
These are all between 5/11 and 5/6.