maryr0 maryr0
  • 16-11-2020
  • Mathematics
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PLSSS HELPP!!!REAALLY need it its'overdue

PLSSS HELPPREAALLY need it itsoverdue class=

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preciousdada1765
preciousdada1765 preciousdada1765
  • 16-11-2020

Answer:

2) slant height=15

surface area=[tex]864cm^{2}[/tex]

Step-by-step explanation:

[tex]half base ^{2}[/tex] x [tex]height^{2}[/tex]

[tex]9^{2} +12^{2}[/tex]

81+144

=225

[tex]\sqrt{225}[/tex]

=15

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