Mathematics, 28.10.2020 16:30 leo4687
A sequence of transformations is applied to triangle CDE to create triangle C'D'E'.
Select all the sequences of transformations that could be applied to triangle CDE so that triangle CDE is congruent to triangle C'D'E'.
(Choose 3 Choices)
Question 1 options:
A. a clockwise rotation of 90 degrees and then a dilation be a scale factor of 2
B. a dilation by a scale factor of 2 and then a reflection across the y-axis
C. a clockwise rotation of 90 degrees and then a reflection across the y-axis
D. a translation 5 units down and then a dilation by a scale factor of 2
E. a translation 5 units down and then clockwise rotation of 90 degrees.
F. a reflection across y-axis and then translation 5 units down
Answers: 1
Mathematics, 21.06.2019 14:10
Will give brainliest sum of arithmetic series (sigma notation) find the numerical answer to the summation given below. (image shown below)
Answers: 2
Mathematics, 21.06.2019 20:30
If m∠abc = 70°, what is m∠abd? justify your reasoning. using the addition property of equality, 40 + 70 = 110, so m∠abd = 110°. using the subtraction property of equality, 70 − 30 = 40, so m∠abd = 30°. using the angle addition postulate, 40 + m∠abd = 70. so, m∠abd = 30° using the subtraction property of equality. using the angle addition postulate, 40 + 70 = m∠abd. so, m∠abd = 110° using the addition property of equality.
Answers: 2
A sequence of transformations is applied to triangle CDE to create triangle C'D'E'.
Select all the...
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