The volume of a prism is 7800 mm3. what is the volume of this prism, measured in cm3? a. 7.8 cm3 b. 780 cm3 c. 78,000 cm3 d. 7,800,000 cm3

step-by-step explanation:

given perimeter: 28cm

length: 9cm

atp,

2(l+w)=p of the reactangle

2(9+x)=28

18+2x=28

2x=28-18

x=10/2

x=5

therefore width is 5 cm

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