Here are the solutions to your questions.
Part 1: Write True or False
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The number of sides of a polygon is always equal to the number of its angles.
- True. By definition, a polygon has an equal number of sides, vertices, and angles.
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Any polygon must have at least 3 sides.
- True. A polygon is a closed figure formed by straight line segments. The minimum number of segments required to form a closed figure is three (a triangle).
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The value of sinθ can never be greater than 1.
- True. For any real angle θ, the range of the sine function is $[-1, 1