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Directions: Q. 16 to 20

D.M of a district went to town Noida from city Delhi. There is a route via town Ghaziabad such that \[NG\bot GD\], NG = x km and GD = (x + 7) km. He noticed that there is proposal to construct a 17 km highway which directly connects the two towns Noida and Delhi.

Based on the above information, answer the following questions.

(i) Which concept can be used to get the value of x

A) Thales theorem

B) Pythagoras theorem

C) Converse of thales theorem

D) Converse of Pythagoras theorem