2 years ago

Need help ASAP please

Mathematics

1 answer:

FromTheMoon [43]2 years ago

6 0

Subtract t the first 2 choices from the total time:

10 - 3.2 - 3.5 = 3.3

The 3rd selection needs to be 3.3 minutes long

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Answer:

30°

Step-by-step explanation:

Line AB and BC are tangents to the given circle.

$\angle \: ABC = \frac{1}{2} ( 210 - 150)$

$\angle \: ABC = \frac{1}{2} (60) = 30 \degree$

Alternatively, <ABC and <AOC are supplementary because AB and BC are tangents.

$\angle \: ABC + 150 \degree = 180 \degree$

$\angle \: ABC = 180 \degree - 150 \degree = 30 \degree$

The correct choice is A.

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sergiy2304 [10]

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