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vodomira [7]
3 years ago
10

In the diagram below, AB and bc are tangent to o. What is the measure of ac?

Mathematics
2 answers:
DanielleElmas [232]3 years ago
4 0

Answer:

Option D. 150\°

Step-by-step explanation:

we know that

The measurement of the outer angle is the semi-difference of the arcs it encompasses.

m\angle ABC=\frac{1}{2}[arc\ ADC-arc\ AC]

substitute the given values

30\°=\frac{1}{2}[210\°-arc\ AC]

60\°=[210\°-arc\ AC]

arc\ AC=210\°-60\°=150\°

Tom [10]3 years ago
4 0

Answer:

Option (D) is correct.

Step-by-step explanation:

OA is perpendicular to AB

OC is perpendicular to BC

Radius from the center is perpendicular to the tangent.

In quadrilateral ABCO,

∠ABC+∠BCO+∠AOC+∠OAB=360°

30°+90°+∠AOC+90°=360°

∠AOC+210°=360°

∠AOC=360°-210°

∠AOC=150°

Hence, arc AC=150°

Thus, the correct answer is option (D)

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The kinetic energy of the bowling ball with the mass and traveling at the given velocity is 10.14 Joules.

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Kinetic energy is simply a form of energy a particle or object possesses due to its motion.

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Given that;

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Step-by-step explanation:

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