NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 9: Perimeter and Area - Problems and SolutionsQuestion 123
Class 7 - Mathematics - Unit 9: Perimeter and Area - Problems and Solutions
Question. 123
How many pieces of 1.5 cm × 2 cm chocolate can be cut from a 18 cm × 18 cm sheet of chocolate?
Answer:
Number of pieces = 108.
Detailed Answer with Explanation:
Area of sheet = \(18 \times 18 = 324\,cm^2\). Area of one piece = \(1.5 \times 2 = 3\,cm^2\). Pieces = 324 ÷ 3 = 108.