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lana [24]
3 years ago
10

QUICK!URGENT HELP PLEASE!20 POINTS​

Mathematics
1 answer:
tino4ka555 [31]3 years ago
4 0

Answer:

840

Step-by-step explanation:

The 3 by 3 grid below shows nine 1 cm x 1 cm squares and uses 24cm of wire

24 cm of wire

is  3 (3 + 1)  + 3(3 + 1)

= 3 x 4 + 3 x 4

=  12 + 12

= 24 cm

length of wire is required for a similar 20 by 20 grid

= 20(20 + 1)  + 20(20 + 1)

= 20 x 21 + 20 x 21

= 420  + 420

= 840  cm

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Answer:

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Step-by-step explanation:

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answer is A Also Please Subscribe To My Channel Bro https://youtu.be/ub82Xb1C8os If You Do i Will Keep Helping You

7 0
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16,500 rounded to nearest ten thousand
kari74 [83]

Hi,

16,500 rounded to the nearest ten thousand is 20,000.

Have a great day!

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