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OpenStudy (judson_rockets):
Which is true about the volume or surface area of these prisms?
A.
The volume of B is greater than the volume of A.
B.
The surface area of B is greater than the surface area of A.
C.
The volume of A is greater than the volume of B.
D.
The surface area of A is greater than the surface area of B.
10 years ago
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OpenStudy (welshfella):
First calculate the volumes of the 2 prisms
Volume = length * width * height
Can you do that?
10 years ago
OpenStudy (judson_rockets):
Maybe
10 years ago
OpenStudy (judson_rockets):
They both equal 60
10 years ago
OpenStudy (welshfella):
try
for prism A length = 6 width = 2 and height = 5
10 years ago
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OpenStudy (welshfella):
Yea So the answer is not A or C
Now surface area is the sum of 6 sides
There are 3 pairs of sides of equal area
10 years ago
OpenStudy (judson_rockets):
Yup so what do i have to do
10 years ago
OpenStudy (welshfella):
just work out the surface areas of both prisma
For example prisn A has
2 sides 5 by 6
2 side 2 by 6
2 sides 2 by 5
10 years ago
OpenStudy (welshfella):
2 * 30 + 2*12 + 2*10
10 years ago
OpenStudy (judson_rockets):
104
10 years ago
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OpenStudy (welshfella):
thats right
so work out the area of prosm B in the same way and you can compare them.
10 years ago
OpenStudy (welshfella):
* prism lol!
10 years ago
OpenStudy (aziaboo45):
sorry but i got nothing
10 years ago
OpenStudy (judson_rockets):
I thought u said i caint talk to u Anymore rember
10 years ago
OpenStudy (aziaboo45):
yeah but you need help so
10 years ago
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OpenStudy (judson_rockets):
Fine
10 years ago
OpenStudy (aziaboo45):
u mad
10 years ago
OpenStudy (judson_rockets):
No why ???
10 years ago
OpenStudy (aziaboo45):
nun
10 years ago
OpenStudy (judson_rockets):
KKKKKKKKKKK
10 years ago
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OpenStudy (aziaboo45):
btw the answer is d
10 years ago
OpenStudy (judson_rockets):
I know
10 years ago
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