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Mathematics, 03.02.2020 15:52 wolfiewolffromsketch
(note: the questions listed have pictures that belong to a certain question. question 1's picture is the first picture, 3's is the third pic, and so on. question 2 has no picture, however.)
1.) describe the transformations that will map triangle a to triangle b and illustrate the similarity between the two triangles.
a)rotate 90° clockwise and then translate 6 units down
b)translate 4 units down and rotate 180° about the origin
c)reflect the triangle across the y-axis and translate 4 units down
d)reflect triangle a across the x-axis and then translate 1 unit right
2.)a sphere is dilated by a scale factor of 1.5 to create a new sphere. how does the volume of the new sphere compare with the volume of the original sphere?
a)the volume of the new sphere is 1.5 times the volume of the original sphere.
b)the volume of the new sphere is 3.0 times the volume of the original sphere.
c)the volume of the new sphere is 1.5^2 times the volume of the original sphere.
d)the volume of the new sphere is 1.5^3 times the volume of the original sphere.
3.)if kite abcd is reflected across the x-axis, what are the resulting coordinates of point a?
a)(1, -3)
, 1)
c)(3, -1)
, -1)
4.)the triangle shown is rotated 90° counterclockwise about the origin. what are the new coordinates of point a?
a)(1, 2)
, 1)
c)(2, 1)
, -1)
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