The prism has a surface area of 202 ft2.
What would the surface area of the prism be if each dimension were tripled?
ft2
Prism with a length of five feet, a width of nine feet, and a height of four feet
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OpenStudy (anonymous):
halp
plzz
OpenStudy (durply):
hi
OpenStudy (durply):
hello?
OpenStudy (durply):
@ItZzZDrAgOn
OpenStudy (durply):
Hello?
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OpenStudy (anonymous):
yes
OpenStudy (durply):
1818
OpenStudy (durply):
medal plz
OpenStudy (vampireprincess):
is this 7th grade h.w /problem?
OpenStudy (anonymous):
how'd yu find it
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OpenStudy (anonymous):
yes @VampirePrincess
OpenStudy (durply):
Old Surface Area = 202 ft^2
New Surface Area = 1818 ft^2
Notice we have this ratio:
(new area)/(old area) = 1818/202 = 9
and how 3^2 = 9. This is no coincidence. The old surface area is multiplied by 3^2 = 9 to get the new surface area.
If you asked "What would the surface area of the prism be if each dimension were quadrupled?", then you would multiply the old surface area by 4^2 = 16 to get the new surface area
OpenStudy (durply):
:)
OpenStudy (vampireprincess):
i agree with @Durply :)
OpenStudy (durply):
Medal plz :)
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OpenStudy (anonymous):
how do i medal
OpenStudy (durply):
click best response on my
OpenStudy (durply):
answer
OpenStudy (durply):
Thx anything else?
OpenStudy (anonymous):
yea shure wait a minute…..
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OpenStudy (durply):
i can do most just not graphs XD
OpenStudy (durply):
my weak point
OpenStudy (durply):
;)
OpenStudy (anonymous):
A prism has a surface area of 176 cm2.
What is the surface area of a scaled image with a scale factor of 1 half?
OpenStudy (durply):
0.25
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OpenStudy (anonymous):
how did u find it
OpenStudy (durply):
just find the square root of 1
OpenStudy (durply):
wait
OpenStudy (durply):
its 44
OpenStudy (durply):
176/4 = 44
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OpenStudy (anonymous):
i thought so that my first answer
OpenStudy (anonymous):
hey one last one
OpenStudy (durply):
ok
OpenStudy (anonymous):
Which is true about the volume or surface area of these prisms?
A.
The surface area of B is greater than the surface area of A.
B.
The volume of A is greater than the volume of B.
C.
The volume of B is greater than the volume of A.
D.
The surface area of A is greater than the surface area of B.
OpenStudy (durply):
is there a picture
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