Question

Rachel was cutting out some fabric for his friend. She cut a piece that was 5 cm wide and
8.5 cm long . How much is the area of this piece.

Answer 1

Length = 8.5 cm

Width = 5 cm

It is a rectangular piece of fabric

Area of a rectangle = Length × Width

= 8.5 × 5

= 42.5

Area of the fabric = 42.5 cm²

Answer 2

Given :-

• She cut a piece that was 5 cm wide and
• 8.5 cm long.
• Length = 8.5cm
• Breadth = 5cm

To Find :-

• Area of the Fabric piece.

Solution :-

⇒ Area of the Piece = Length × Breadth

⇒ Area of the Piece = 8.5 × 5

⇒ Area of the Piece = 42.5cm²

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So, Area of the Fabric Piece is 42.5cm²

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★ Additional Info :-

Formulas Related to Area :

• Area of Square = Side x Side
• Area of Rectangle = Length × Breadth
• Area of Triangle = ½ × base x height
• Area of parallelogram = base x height
• Area of circle = πr²
• Area of Rhombus = ½ × product of its diagonals
• Area of Trapezium = ½ × height × sum of parallel sides
• Area of Polygon = sum of the area of all regions into which it is divided

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