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Questions and Answers
What is the correct formula for calculating the area of a rectangle?
What is the correct formula for calculating the area of a rectangle?
- Length - Width
- Width x Height
- Length + Width
- Length x Width (correct)
What unit is used to express area?
What unit is used to express area?
- Linear units
- Cubic units
- Square units (correct)
- Volume units
What is the area of a square with a side length of 4 centimeters?
What is the area of a square with a side length of 4 centimeters?
- 12 cm²
- 20 cm²
- 8 cm²
- 16 cm² (correct)
If a rectangle measures 5 meters in length and 3 meters in width, what is its area?
If a rectangle measures 5 meters in length and 3 meters in width, what is its area?
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Which shapes would require different formulas to calculate their area compared to squares and rectangles?
Which shapes would require different formulas to calculate their area compared to squares and rectangles?
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Study Notes
Area
- Area is the space inside a shape, while perimeter is the space around it.
- Area can be measured using square units.
- To find the area of a square or rectangle, multiply the length by the width.
- The answer for area is always squared, indicating square units.
Calculating Area
- The area of a square with a side length of 3 centimeters is 9 square centimeters (3 cm x 3 cm = 9 cm²).
- The area of a rectangle that is 6 feet long and 1 foot wide is 6 square feet (6 ft x 1 ft = 6 ft²).
- The area of a rectangle that is 4 meters long and 2 meters wide is 8 square meters (4 m x 2 m = 8 m²).
Tip
- Different formulas are used to calculate the area of circles and triangles.
Area
- Area refers to the space occupied within a shape.
- Perimeter refers to the distance around a shape.
- Square units are used to measure area.
- To calculate the area of a square or rectangle, multiply its length by its width.
- Area units are always squared, representing square units.
Calculating Area
- A square with side lengths of 3 centimeters has an area of 9 square centimeters (3 cm x 3 cm = 9 cm²).
- A rectangle with a length of 6 feet and a width of 1 foot has an area of 6 square feet (6 ft x 1 ft = 6 ft²).
- A rectangle with a length of 4 meters and a width of 2 meters has an area of 8 square meters (4 m x 2 m = 8 m²).
Tip
- Different formulas are used to calculate the area of circles and triangles.
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