| Directions: Q. 11 to 15 |
| Rohan wants to measure the distance of a pond during the visit to his native. He marks points A and B on the opposite edges of a pond as shown in the figure below. To find the distance between the points, he makes a right-angled triangle using rope connecting B with another point C are a distance of 12 m, connecting C to point D at a distance of 40 m from point C and the connecting D to the point A which at distance of 30 m from D such that \[\angle ADC=90{}^\circ \]. |
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| Based on the above information, answer the following questions |
| (i) Which property of geometry will be used to find the distance AC ? |
A) Similarity of triangles
B) Thales Theorem
C) Pythagoras Theorem
D) Area of similar triangles
Correct Answer: C
Solution :
To find the distance AC in the given figure, we use Pythagoras theorem.
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