Mathematics: The image of triangle DEF after 2 transformations has vertices at D (3, 3) E (6, 3) and F (3, -6). The preimage has the vertices of D (-1, 1) E (-1, 2) F(2, 1). if the said triangles are congruent, determine what to transformation map triangle DEF onto triangle D E F .

The image of triangle DEF after 2 transformations

alogon1

18.01.2022

Length of DF is 3 units (-1 to 2 = 3)

Length of D’F’ is 9 units (-3 to 6 =9)

The new image is 3 times larger than the original one.

The original image was scaled by a factor of 3.

It was then rotated 90 degrees about the origin.

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NateTheBeast12

02.11.2020

area of base = $\pi r^2$

where 'r' is the radius

Step-by-step explanation:

Volume of the cylinder formula = $\pi r^2h$

volume of cylinder = area of base * height

The base of a cylinder is a circle. so we use the area of circle for the base of cylinder while finding volume

We know area of the circle is $\pi r^2$

So area of the base of cylinder is $\pi r^2$

To find volume of the cylinder , we multiply the base of the cylinder with height

To determine the base of the cylinder we need radius of the cylinder

area of base = $\pi r^2$

where 'r' is the radius

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