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solmaris
[256]
3 years ago
10
Help plzzz Thx thx thx
Mathematics
Answer
Comment
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2
answers:
Step2247
[10]
3 years ago
7
0
Under 10 the number is 21 because 21+9=30 and the other side is 9
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Semenov
[28]
3 years ago
3
0
9m * 10m + 9m * 30 m
= 9m * ( 10m + 30m)
= 9m * 40m
= 9m * 4 * 10m
= 36m * 10m
= 360 m²
--------
Area:
360 metres²
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