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Mathematics 20 Online
OpenStudy (jgkg13):

1. If x=9 inches, what is the lateral surface area of the shape formed by the net above? * HELP WITH MATH

OpenStudy (jgkg13):

OpenStudy (jgkg13):

so 4 times 3

Directrix (directrix):

Four rectangles make up the lateral faces of the prism. Each of the four congruent rectangular faces has dimensions x by (3x).

Directrix (directrix):

4 * (x) * (3x) = 12 * x^2 for the lateral area. Take this and substitute 9 for x : 12 * x^2 Post what you get, okay?

OpenStudy (jgkg13):

432

OpenStudy (jgkg13):

12 times 9 is 108

Directrix (directrix):

I did not get that.

OpenStudy (jgkg13):

what did u get

Directrix (directrix):

12 * 9 * 9 = ?

OpenStudy (jgkg13):

972

OpenStudy (jgkg13):

972

Directrix (directrix):

Yes. 972 square inches

OpenStudy (jgkg13):

i have 9 more question this is homework btw

OpenStudy (jgkg13):

ok so like make a new post

Directrix (directrix):

Yes.

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