NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 6: Triangles - Problems and SolutionsQuestion 156
Class 7 - Mathematics - Unit 6: Triangles - Problems and Solutions
Question. 156
Two poles of 10 m and 15 m stand upright on a plane ground. If the distance between the tops is 13 m, find the distance between their feet.
Answer:
12 m
Detailed Answer with Explanation:
Difference in heights = 5. By Pythagoras: base² = 13² − 5² = 169 − 25 = 144 ⇒ base = 12 m.