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Amiraneli [1.4K]
3 years ago
7

What is the surface area of the figure made from this net?

Mathematics
1 answer:
LekaFEV [45]3 years ago
6 0
Let's work on Sections. The top rectangle has an area of 54 (6x9) the base rectangle has an area of 360 ((9+6+9+5)×12) and the bottom rectangle has an area of 54 (9×6) now we add and we get 468. thus the answer is C.

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How to find volume of 7 and 8? (20 pts)
Airida [17]

Answer:

7

Step-by-step explanation:

7.base of triangle=√(32.5²-28²)

=√4.5(32.5+28)

=√4.5(60.5)

=√272.25

=16.5

area of triangle=1/2  ×16.5×28

=231

volume=231×31=7161 km³

8.

39.4-25=14.4

width=√(30.6²-14.4²)

=√16.2(30.6+14.4)

=√16.2(45)

=√729

=27

volume=(25+39.4)/2 ×27×35

=(64.4)/2×27×35

=32.2×27×35

=30429 cm³

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3 years ago
If the length of a netball court is 30.5m what scale has been used on this diagram?
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Provide the measurements of the court in the book, please.
8 0
3 years ago
Please help, due tomorrow
Ksju [112]

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Step-by-step explanation:

4 0
3 years ago
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Answer:

The mean is 80.875

Step-by-step explanation:

8 0
3 years ago
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geniusboy [140]

Answer:

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6 0
2 years ago
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