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23-02-2021
Mathematics

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Please help. Will mark brainliest! Answer the questions

Please help Will mark brainliest Answer the questions class=

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officiallykenya officiallykenya

23-02-2021

Answer:

V= 2596.125 cm squared

SA= 1187.5 cm squared

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23-02-2021

Answer:

Step-by-step explanation:

[tex]V=xyz\\ \\ V=21.5(11.5)10.5=2596.125cm^3\\ \\ A=2xy+2xz+2yz\\ \\ A=2(xy+xz+yz)\\ \\ A=2(21.5(11.5)+21.5(10.5)+11.5(10.5))\\ \\ A=2(247.5+225.75+120.75)\\ \\ A=2(594)\\ \\ A=1188cm^2[/tex]

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