NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 9: Perimeter and Area - Problems and SolutionsQuestion 124
Class 7 - Mathematics - Unit 9: Perimeter and Area - Problems and Solutions
Question. 124
Calculate the area of shaded region in Fig. 9.66, where all of the short line segments are at right angles to each other and 1 cm long.
Answer:
The area of shaded region is 184 cm².
Detailed Answer with Explanation:
Total square area = 20 × 20 = 400. Area of unshaded star-like portion = 216. Difference = 184.