Answer:
We say that it is squared because we are multiplying that number twice. A square has two sides, therefore we are squaring the number.
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Answer:
4
Step-by-step explanation:
The sum of the measures of all interior angles in triangle is always equal to 180°. So,
∠A+∠B+∠C=180°
∠B=180°-63°-49°=68°
Now use the sine rule:
Answer:
168
Step-by-step explanation:
That’s a hard question I’ll have to work on it