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OpenStudy (jameshorton):
OpenStudy (jameshorton):
@welshfella
OpenStudy (samanthagreer):
what do you think
OpenStudy (welshfella):
Hint: it has 6 faces
OpenStudy (samanthagreer):
no i will not give you the anwsers but i will help you
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OpenStudy (jameshorton):
i need to get this done in 5 min
OpenStudy (samanthagreer):
what can you atomaicaly take out
OpenStudy (welshfella):
its not the sites policy to just give answers
OpenStudy (jameshorton):
oh
OpenStudy (samanthagreer):
you can x out b and d what do you think it is
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OpenStudy (jameshorton):
but i have 5 min and i need to get dress and do my homework before i leave
OpenStudy (jameshorton):
A
OpenStudy (samanthagreer):
no
its c
OpenStudy (jameshorton):
OpenStudy (samanthagreer):
ok what 2 can you x out
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OpenStudy (samanthagreer):
can you x out a and d
OpenStudy (jameshorton):
d
OpenStudy (jameshorton):
B
OpenStudy (samanthagreer):
yes
OpenStudy (jameshorton):
What is the surface area of a cube with faces that each have an area of 14 cm2?
A.
56 cm2
B.
84 cm2
C.
112 cm2
D.
196 cm2
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OpenStudy (samanthagreer):
what do you thinl
OpenStudy (jameshorton):
i think i D
OpenStudy (samanthagreer):
nowhat is 6 X14
OpenStudy (jameshorton):
84
OpenStudy (samanthagreer):
there you go
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OpenStudy (jameshorton):
A square pyramid has a base area of 25 ft2. The pyramid’s total surface area is 105 ft2.
What is the area of each triangular face?
A.
20 ft2
B.
26 ft2
C.
40 ft2
D.
80 ft2
OpenStudy (samanthagreer):
what do you think
OpenStudy (jameshorton):
d
OpenStudy (samanthagreer):
no its a
OpenStudy (jameshorton):
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OpenStudy (samanthagreer):
b
OpenStudy (welshfella):
(105 - 25) / 4
OpenStudy (welshfella):
there are 4 triangular faces and their total area = 105 - 25 = 80
OpenStudy (welshfella):
so that means each face as area 80/4 = 20
OpenStudy (welshfella):
@samanthagreer pleas just dont give the answer. Explain how you got it. The questioner will learn much more that way