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Gnoma [55]
3 years ago
12

Total surface area of the drawing

Mathematics
1 answer:
Crazy boy [7]3 years ago
4 0
The pentagon's area is the sum of the 5 triangles that comprise it.  This is

5( \frac{1}{2}bh) \times 2=5(9)(6.2)= 279

where the factor of 2 accounts for the top and bottom.  The walls have an area of 5 rectangles

5(bh)=5(9)(6)=270 \\  \\ 279+270=549km^2
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Zielflug [23.3K]

Answer:

<em>2</em><em>,</em><em> </em><em>4</em><em>,</em><em> </em><em>8</em><em>,</em><em> </em><em>1</em><em>6</em><em>,</em><em> </em><em>3</em><em>2</em>

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<em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em>

Step-by-step explanation:

--------------------------------------

1st

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2+6=8

8+6=14

14+6=20

3rd

3+3=6

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4th

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13+4=17

17+4=21

<em>But</em><em> </em>

2nd

2×2=4

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8×2=16

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Step-by-step explanation:

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