Sagot :
Answer:
1. SA = 6 x s x s
SA = 6x6cm x __6___
SA= 6x ___36__
SA= __216__
2. SA = 2 x [(LxW) + (LxH) + (WxH)]
L= 6cm
H= 4cm
W= 3cm
SA= 2x[(6cmx3cm)+(6cmx4cm)+(3cm x 4cm)
SA= 2x[(__18_)+(__24_)+(__12_)]
SA= 2x___54_
SA= ___108__
3. SA= B + 4 (½ b x h)
SA=(10m X 8m) +4(1/2x10mx6m)
SA= ___80___ + ____30___
SA= ____110___