Prism 4 sides

Find the surface area and volume four-sided prism high 10cm if its base is a rectangle measuring 8 cm and 1.2dm

Result

S =  592 cm2
V =  960 cm3

Solution:

c=10 cm a=8 cm b=1.2 dm=1.2⋅ 10 cm=12 cm  S=2⋅ (a⋅ b+b⋅ c+a⋅ c)=2⋅ (8⋅ 12+12⋅ 10+8⋅ 10)=592 cm2c=10 \ \text{cm} \ \\ a=8 \ \text{cm} \ \\ b=1.2 \ dm=1.2 \cdot \ 10 \ cm=12 \ cm \ \\ \ \\ S=2 \cdot \ (a \cdot \ b+b \cdot \ c+a \cdot \ c)=2 \cdot \ (8 \cdot \ 12+12 \cdot \ 10+8 \cdot \ 10)=592 \ \text{cm}^2
V=a⋅ b⋅ c=8⋅ 12⋅ 10=960 cm3V=a \cdot \ b \cdot \ c=8 \cdot \ 12 \cdot \ 10=960 \ \text{cm}^3

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