Question

PLSSS HELPP!!!REAALLY need it its'overdue

Answer 1

Answer:

2) slant height=15

surface area=$864cm^{2}$

Step-by-step explanation:

$half base ^{2}$ x $height^{2}$

$9^{2} +12^{2}$

81+144

=225

$\sqrt{225}$

=15