NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 6: Triangles - Problems and SolutionsQuestion 114
Class 7 - Mathematics - Unit 6: Triangles - Problems and Solutions
Question. 114
Jayanti takes shortest route to her home by walking diagonally across a rectangular park. The park measures 60 metres × 80 metres. How much shorter is the route across the park than the route around its edges?
Answer:
40 m
Detailed Answer with Explanation:
Perimeter route = 60 + 80 = 140 m. Diagonal = √(60² + 80²) = √10000 = 100 m. Difference = 40 m.