Volume (Grade 12 NSC Matric Mathematical Literacy): Flashcards

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Volume
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Definition of volume

Amount of space occupied by a 3D object

Why cubic units for volume?

Measuring in 3 dimensions (length, width, height)

Rectangular box volume formula

V=l×b×hV = l \times b \times h

Cylinder volume formula

V=π×r2×hV = \pi \times r^2 \times h

1 m³ equals how many litres?

1000 litres

Radius vs diameter

Radius is half the diameter

π value for calculations

3.142

1st step solving volume problems

Identify the shape

Check before calculating

All measurements in same units

Show working in exam how?

Write formula first, then substitute values

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