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UNO [17]
2 years ago
10

I did the rest of the problems but I’m stuck on this problem. ( find the surface area)

Mathematics
1 answer:
Mekhanik [1.2K]2 years ago
7 0

Answer:

135.42 square feet

Step-by-step explanation:

2 x triangle face +

2 x rectangular face +

1 x base = Surface Area

2 ( 1/2 * 3 * 4) +

2 ( 3.61 * 11) +

4*11 =

12 + 79.42 + 44 = 135.42 square feet

HOPE THIS HELPS!!!

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Mariana [72]
-----------------------------------------------
Information Given:
-----------------------------------------------
ON = 7x - 9
LM = 6x + 4
MN = x - 7
OL = 2y - 7

-----------------------------------------------
Since it is a parallelogram:
-----------------------------------------------
ON = LM and
MN = OL

-----------------------------------------------
ON = LM:
-----------------------------------------------
7x - 9 = 6x + 4

-----------------------------------------------
Subtract 6x from both sides:
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x - 9 = 4

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Add 9 to both sides:
-----------------------------------------------
x = 13

-----------------------------------------------
MN = OL:
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x - 7 = 2y - 7

-----------------------------------------------
Sub x = 13:
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13 - 7 = 2y - 7

-----------------------------------------------
Simplify:
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6 = 2y - 7

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Add 7 on both sides:
-----------------------------------------------
13 = 2y

-----------------------------------------------
Divide by 2:
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y = 13/2

-----------------------------------------------
Answer: x = 13, y = 13/2 (Answer D)
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