John translated parallelogram ABCD using the rule (x,y)→(x+3, y−2). If angle A is 110° and angle B is 70°, what is the degree measurement of angle A'?

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asked Apr 10, 2017 54.1k views

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Pgngp · Answer 1 · 2017-04-15T16:08:44+0000

The translation is not changing the angles, because the all the points were moved 3 units to the right and two units down, so all the lines preserved their slopes.

Then if the angles A and B were 110 and 70 the images preserve the same angles.

John translated parallelogram ABCD using the rule (x,y)→(x+3, y−2). If angle A is 110° and angle B is 70°, what is the degree measurement of angle A'?

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