3 years ago

PLEASE HELP!!!: Parallel lines 1 and m are intersected

Mathematics

1 answer:

bonufazy [111]3 years ago

6 0

The answer is B because if you add the to angles together you create a straight line.

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Would I be right if I said 21pi/10 and -pi/10 are two angles coterminal with pi/10?

Anna71 [15]

Two angles are coterminal if they differentiate in a factor of k*(2pi). This is a multiple of 360 degrees.

In this case 21 [pi /10] = [pi / 10] + 20 [pi/10] = [pi/10] + 2pi, then 21pi/10 is coterminal with pi/10.

In the case of -pi/10 you cannot get to pi/10 by adding a multiple of 2pi , then they are not coternminals.

Conclusion: you would not be right.

7 0

3 years ago

Help me pls i very need your answer

Sholpan [36]

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