Podcast
Questions and Answers
What formula can be used to calculate the circumference of a circle?
What formula can be used to calculate the circumference of a circle?
- C = 2r/Ï€
- C = 2Ï€r (correct)
- C = π/d
- C = πr
Which formula should be used to find the area of a circle?
Which formula should be used to find the area of a circle?
- A = πd
- A = 3.14r
- A = 2Ï€r
- A = πr^2 (correct)
What is the correct formula for finding the volume of a cube?
What is the correct formula for finding the volume of a cube?
- V = l^3 (correct)
- V = 4l
- V = l^2
- V = 6l
In terms of a prism, what is 'locus' referring to?
In terms of a prism, what is 'locus' referring to?
What is the relationship between ratio and fractions?
What is the relationship between ratio and fractions?
Which formula should be used to find the surface area of a cuboid?
Which formula should be used to find the surface area of a cuboid?
What does 'composite shapes' refer to in relation to area problems?
What does 'composite shapes' refer to in relation to area problems?
What does 'nets of 3D shapes' refer to?
What does 'nets of 3D shapes' refer to?
What skill is required to find the volume of a triangular prism?
What skill is required to find the volume of a triangular prism?
How can solids be drawn using isometric paper?
How can solids be drawn using isometric paper?
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Study Notes
Circle Calculations
- Circumference of a circle can be calculated using the formula: Circumference = 2 × π × radius
- Area of a circle can be calculated using the formula: Area = π × radius²
Volume Calculations
- Volume of a cube can be calculated using the formula: Volume = length × width × height
Prism Concepts
- Locus refers to the fixed point or points that satisfy a specific condition in a prism
Ratio and Fractions
- Ratio and fractions are equivalent representations of a part-to-whole comparison
Surface Area Calculations
- Surface area of a cuboid can be calculated using the formula: Surface Area = 2 × (length × width + width × height + height × length)
Composite Shapes and Nets
- Composite shapes refer to shapes composed of multiple simple shapes, requiring addition of their individual areas to find the total area
- Nets of 3D shapes refer to the 2D representation of a 3D shape's surface, useful for finding surface area
Volume of Triangular Prism
- Finding the volume of a triangular prism requires the skill of applying the formula: Volume = (base area × height) / 3
Drawing Solids
- Solids can be drawn using isometric paper, which allows for accurate representation of 3D shapes in 2D
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