Answer:
The answer is 9
Step-by-step explanation:
Since the diagram is rhombus
Then

Then

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Answer: -4 and 2
Step-by-step explanation:
negative 4 and positive 2 is the answer
This is an Acute scalene. None of the angles are the same measure, and none of them exceed 90 degrees
50, 60 , 70 can be three angles in a triangle