Question

16. Points A and B are on the opposite edges of a pond as shown in figure below. To find the distance between the two points, the surveyor makes a right-angled triangle as shown. Find the distance AB.

Answer 1

Answer:

48939

Step-by-step explanation:

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Answer 2

Answer:

38m

Step-by-step explanation:

Here, ADC is a right-angled triangle.

⇒(AC)  

2

=(30)  

2

+(40)  

2

 

⇒(AC)  

2

=900+1600

⇒(AC)  

2

=2500

⇒AC=  

2500

​  

 

⇒AC=50m

Now,

⇒AB=AC−BC

⇒AB=50−12

⇒AB=38

Therefore, 38m is the distance of AB