Similarity and Trigonometry Basics - Problems on Circles - Problem Set
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Q. In a circle with a radius of 10 cm, what is the circumference?
Q. In a right triangle, if one angle is 45°, what is the ratio of the lengths of the sides opposite and adjacent to this angle?
Q. In triangle ABC, if angle A = 30° and angle B = 60°, what is angle C?
Q. What is the length of the arc of a circle with a radius of 5 cm and a central angle of 60°?
Q. What is the length of the arc of a circle with a radius of 5 cm and a central angle of 90°?
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