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arsen [322]
2 years ago
5

Given the figure, if ∠ABC is 20° and C is the center of the circle, what is the measure of the central angle ∠ACB? A) 40° B) 70°

C) 100° D) 140°
Mathematics
2 answers:
WINSTONCH [101]2 years ago
8 0

Answer:

140

Step-by-step explanation:

kramer2 years ago
7 0

Answer:

D) 140°

Step-by-step explanation:

The total number of degrees in a triangle is 180. Since both sides of the triangle are the radius of the circle, the triangle is isosceles. Therefore the two opposite angles are equal. Thus, the central angle is 180° − 2(20°) = 140°.

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Step-by-step explanation:

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If you're after an answer that has the appropriate precision (assuming these are measured values), that would be one that is rounded to 1 decimal place: 31.2.

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Illusion [34]

Answer:

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3 0
3 years ago
An animal park has lions,tiger an zebras.2/5 of the animals are lions and 3/10 of the animals are zebras. what percentage are ti
maksim [4K]

Answer:

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Step-by-step explanation:

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