Find the surface area of cone with a diameter of 12cm and height of 18cm in terms of pi

Surface area of the cone = 149.4π cm²

Step-by-step explanation:

Surface area of the cone is found using the radius and height as,

From the given diameter, we can find the radius as,

radius = = 6 cm

height = 18 cm

this shows a reflection over the x-axis and is translated one unit down and 6 units to the right (x + 6, y - 1)

hope this !

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answer:

it is general formula that is used to write value to its excet position

a11 a12 a13

a21 a22 a23

it is the example of order 2 by 3 matrix in this

a11 means value occur in 1 st row 1st column

a12 means value occurs in 1st row 2nd column

a13 means value occur in 1st row and 3rd column

a21 means value occurs in 2nd row and 1st column

a22 means value occurs in 2nd row and in 2nd column

a23 means value occurs in 2nd row and in 3rd column