NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 9: Perimeter and Area - Problems and SolutionsQuestion 100
Class 7 - Mathematics - Unit 9: Perimeter and Area - Problems and Solutions
Question. 100
A circle with radius 16 cm is cut into four equal parts and rearranged. Does the perimeter change?
Answer:
Yes, it increases by 32 cm
Detailed Answer with Explanation:
Original circumference = \(2\pi r = 100.48 cm\).
After rearrangement, perimeter increases by 32 cm.