F.3 Ch.7 Areas and volumes 3

Which equation can be used to find the volume of this figure?

以下哪個公式可以求這個立體圖案的體積？

• Vol = (8 x 8 x 9) (1/3)

• Vol = (8 x 9) ( 8)

• Vol = (1/3 x 8 x 9) (9)

• Vol = (1/2 x 8 x 9) (8)

Calculate the volume of the pyramid in the picture.  Round to the nearest whole number if necessary.

計算此三角錐體的體積，如有需要可捨入至整數

• 21 m³

• 64 m³

• 32 m³

• 11 m³

Find the volume.

求體積

• 240

• 1440

• 144

• 480

Find the surface area of each figure.

求其總表面面積

• a

• b

• c

• d

Find the surface area of each figure.

求其總表面面積

• a

• b

• c

• d

What is the formula for Volume of a Cone?

圓錐體積的公式是？

• V=π r³h

• V=π r²h

Find the volume of the figure.

求其體積

• 150.8 cm³

• 48 cm³

• 452.4 cm³

• 339 cm³

V = ?

• 14.13 in³

• 56.52 in³

• 169.56 in³

What is surface area?

總表面面積

• 1339.73

• 703.36

• 320.78

• 742.42

Find the surface area

求總表面面積

• 1276.3m²

• 824.7m²

• 1649.3m²

• 3534.3m²