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3 years ago

10

Help plzzz Thx thx thx

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

Semenov [28]3 years ago

3 0

9m * 10m + 9m * 30 m

= 9m * ( 10m + 30m)

= 9m * 40m

= 9m * 4 * 10m

= 36m * 10m

= 360 m²

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Area:

360 metres²

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