Answer:
1. 20 cm^3
2. 94.2 cm^3
3. 904.32 cm^3
4. 128 m^3
Step-by-step explanation:
V=1/3×B×h
=1/3x10cmx6cm
=1/3x60cm
=20 cm3
V=1/3xπr2xh
=1/3 x 3.14 x (3cm)^2 x 10cm
=1/3 x 3.14 x (9cm) x 10cm
=1/3 x 282.6cm
=94.2 cm^3
V=πr^2 x h
=3.14 (6 cm)^2 x 8 cm
=3.14 (36 cm) x 8 cm
= 113.04 x 8 cm
=904.32 cm^3
V=1/3. x L x W x H
=1/3 x 12m x 4m x 8m
=1/3 x 384m^3
=128 m^3
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Answers & Comments
Answer:
1. 20 cm^3
2. 94.2 cm^3
3. 904.32 cm^3
4. 128 m^3
Step-by-step explanation:
1. 20 cm^3
V=1/3×B×h
=1/3x10cmx6cm
=1/3x60cm
=20 cm3
2. 94.2 cm^3
V=1/3xπr2xh
=1/3 x 3.14 x (3cm)^2 x 10cm
=1/3 x 3.14 x (9cm) x 10cm
=1/3 x 282.6cm
=94.2 cm^3
3. 904.32 cm^3
V=πr^2 x h
=3.14 (6 cm)^2 x 8 cm
=3.14 (36 cm) x 8 cm
= 113.04 x 8 cm
=904.32 cm^3
4. 128 m^3
V=1/3. x L x W x H
=1/3 x 12m x 4m x 8m
=1/3 x 384m^3
=128 m^3
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