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3 years ago

15

One angle measures nine more than six times a number. A sequence of rigid motions maps the angle onto another angle that describ

ed as being 30 less than nine times the number. what is the measure of the angle in degrees?

1 answer:

prisoha [69]3 years ago

3 0

Answer:

Step-by-step explanation: one angle is 6x + 9 also equals to 9x -30

9x - 30 = 6x + 9

3x = 39, x = 13

Angle is 6×13+9 = 87

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