Volume and surface area

Find the volume and surface of a wooden block with dimensions: a = 8 cm, b = 10 cm, c = 16 cm.

Result

V =  1280 cm3
S =  736 cm2

Solution:

a=8 cm b=10 cm c=16 cm  V=a b c=8 10 16=1280 cm3a=8 \ \text{cm} \ \\ b=10 \ \text{cm} \ \\ c=16 \ \text{cm} \ \\ \ \\ V=a \cdot \ b \cdot \ c=8 \cdot \ 10 \cdot \ 16=1280 \ \text{cm}^3
S=2 (a b+b c+c a)=2 (8 10+10 16+16 8)=736 cm2S=2 \cdot \ (a \cdot \ b+b \cdot \ c+c \cdot \ a)=2 \cdot \ (8 \cdot \ 10+10 \cdot \ 16+16 \cdot \ 8)=736 \ \text{cm}^2



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