**Two poles of heights 6 m and 11 m stand on a plane ground. If the distance between their feet is 12 m, find the distance between their tops.**

**Solution:**

**More Solutions:**

- Find the altitude on BC and Hence, calculate its area.
- Find the area and the perimeter.
- Calculate the length of AB.
- Calculate the length of BD.
- Prove that AB2 = 4AD² – 3AC².
- The area of ∆ ABC is 60 cm². Find x.
- If diagonals are 30 cm and 40 cm.
- Find the area and perimeter of EFGH.
- Prove that 4AD² = 3AB².
- BC and CA respectively of a ΔABC.