Question

9. Pand Q are on the opposite sides of a pond as shown in the figure
. To find the distance
between these points, a surveyor makes a right-angled triangle as shown. Find the
1
cm, 2-cm, 6 cm
6
right
P
132
21m
20 m
А
distance, PQ
their tops is​

Answer 1

Answer:

Here, ADC is a right-angled triangle.

⇒(AC)²

=(30)² +40²

⇒(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