Two chords
From the point on the circle with a diameter of 8 cm, two identical chords are led, which form an angle of 60°. Calculate the length of these chords.
Correct answer:
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You need to know the following knowledge to solve this word math problem:
- algebra
- quadratic equation
- expression of a variable from the formula
- planimetrics
- right triangle
- circle
- triangle
- The Law of Cosines
- chord
- goniometry and trigonometry
- sine
- cosine
Units of physical quantities:
Grade of the word problem:
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