NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 9: Perimeter and Area - Problems and SolutionsQuestion 117
Class 7 - Mathematics - Unit 9: Perimeter and Area - Problems and Solutions
Question. 117
Answer:
1320 cm²
Detailed Answer with Explanation:
Outer rectangle = (60+12) × (38+12) = 72 × 50 = 3600 cm².
Inner = 60 × 38 = 2280 cm².
Frame area = 3600 − 2280 = 1320 cm².