Answer:your welcome
Step-by-step explanation:
A dilation means that a shape is expanded or shrunk by a scale factor. The scale factor is 4, so all the points are multiplied by 4 to reflect this expansion.
A reflection over the y-axis means that the y-values in the points change their sign from positive to negative, and vice versa.
Therefore, the points will become the following:
A''(12,-12), B''(-4, -12), C''(-16,-4), D''(0, -4)
This new shape will be similar to the original shape, since it shares the same shape, but not the same size.
The answer is A.
Answer:
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Step-by-step explanation:
9514 1404 393
Answer:
90 cm
Step-by-step explanation:
The lateral area of a cylinder is given by the formula ...
LA = πdh
Filling in the given information, we can solve for h:
11,880 cm^2 = π(42 cm)h
h = 1180 cm^2/(42π cm) ≈ 90.0 cm
The height of the cylinder is about 90 cm.
