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bryanmcmillianjr
29.09.2019 •
Mathematics
How do you find angles in a circle theorem
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Ответ:
The angle in a semicircle is a right angle.
Angles in the same segment are equal.
Opposite angles in a cyclic quadrilateral sum to 180°
The angle between the chord and the tangent is equal to the angle in the alternate segment.
Ответ:
You can solve this using the Pythagorean Theorem. The length of AD = 40 and the length of DC = 6. These are your two legs. Square both and then add them together. Then take the square root to get your answer.