**New Learning Composite Mathematics SK Gupta Anubhuti Gangal Class 7 Properties of Triangles Self Practice 10D Solution**

**(5) A ladder 10 m long just reaches the top of a wall 8 m high. How far is the foot of the ladder from the base of the wall?**

**(6) What is the length of the ramp?**

**Solution Number 5 & 6:**

**(7) ABC is a right angled triangle with <ACB = 90 degree, BC = 12 cm, AB = 15 cm and CD = 5 cm. Find the lengths of BD and AD.**

**Solution Number 7:**

**(8) A 18 m pole is supported by 2 guy wires attached to a point 2/3 of the way up the pole and to point on the ground 5 m from the base of the pole. What is the length of each guy wire?**

**Solution Number 8:**

**(9) A ship sails due east 30 km and then due south for 16 km. How far, in a direct line, is it from the starting point?**

**(10) A ship sails 60 km due north, then 20 km due west and finally 39 km due south. How far is it from its starting point?**

**(11) Sudhir and Deepak start from point A to walk over a rectangular park. Sudhir walks from A to D while Deepak walks directly from A to C. How much more does Deepak walk than Sudhir?**

**Solution Number 9,10 & 11:**

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