Answer:
<h2>
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</h2>
Step-by-step explanation:
Answer:
WHAT SUBJECT IS THAT? TELL ME WHAT SUBJECT AND I'LL ANSWER IT PROPERLY
Answer: 60 degree
Explanation: The sum of the three interior angles of a triangle is always 180°.
180-80-40=60 degree.
9) is A
10) is B
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