Question

A child goes 50 metre towards South and then turning to his right, he goes 50 metre. Then,
turning to his left, he goes 30 metre. Again he turns to his left and goes 50 metre. How far is he
from his initial position?
a) 30 metre
b) 40 metre
c) 50 metre
d) 80 metre
​

Answer 1

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ans is 80 m

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Answer 2

Answer:

The distance between the initial position and final position is 80 m.

Step-by-step explanation:

Given,

A child travels 50 meters towards the South to point A from O, then turns to his right, that is towards the west to point B for 50 meters. He then travels to his left, that is towards the south to point 'C' for 30 meters, and finally, he turns to his left which is towards the east, and goes 50 meters to reach point D.

To find,

The distance between points O and D.

Calculation,

The distance between O and D = the distance between O and A + the distance between A and D.

⇒ OD = OA + AD

⇒ OD = OA + BC

⇒ OD = 50 + 30

⇒ OD = 80 m

Therefore, the distance between the initial position and final position is 80 m.

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