A rectangle and a vertical line are shown. If the rectangle is revolved about the vertical line, what is the resulting object?

solid cylinder

hollow cylinder

hollow cone with truncated top

solid cone

where did you get them? if you picked from the grass, is is probably poisonous.

step-by-step explanation:

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answer: (-8,4) are the coordinates of a

step-by-step explanation:

let the side of square abcd is x .

thus the area of square abcd is .

now, by the diagram area of triangle ead= 1/2 × ea × ad = 1/2 × ea × x

( because ad is the side of square)

and, according to the question,

the areas of square abcd and right ead are equal.

⇒

⇒ea=2x

thus, ea: ab=2: 1

therefore, point a divides line segment eb into the ratio 2: 1.

⇒ by sectional formula coordinates of a are,

=

=

=(-8, 4)

thus the coordinates of a are (-8,4)

d is ur answer hopes this i dont really know how to explain it to u.