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Questions and Answers
What is the formula for the area of a rectangle?
What is the formula for the area of a rectangle?
- 2(Length + Width)
- Length × Width (correct)
- Length + Width
- Length - Width
How do you calculate the volume of a cylinder?
How do you calculate the volume of a cylinder?
- πr^2 + h
- πr^2h (correct)
- 2Ï€rh
- 4/3Ï€r^3
Which shape has only one curved surface?
Which shape has only one curved surface?
- Cube
- Sphere
- Cone (correct)
- Cuboid
What is the surface area formula for a sphere?
What is the surface area formula for a sphere?
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Which of the following shapes has a constant width?
Which of the following shapes has a constant width?
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Study Notes
Area of a Rectangle
- The area of a rectangle is calculated by multiplying the length and width.
- Formula: Area = Length x Width
Volume of a Cylinder
- The volume of a cylinder is calculated by multiplying the area of the base by the height.
- Formula: Volume = πr²h, where r is the radius of the base and h is the height.
Shape with One Curved Surface
- A cone has only one curved surface.
Surface Area of a Sphere
- The surface area of a sphere is calculated using the formula: Surface Area = 4πr², where r is the radius of the sphere.
Shape with Constant Width
- A cylinder has a constant width, which is equal to the diameter of its circular base.
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