Question

A man is walking 12 km due east and 5km north..How far is the starting point?

Answer 1

Hey buddy

Here is ur answer

Answer is 13 km

By pythagoras theorem

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Answer 2

ANSWER:

13 Km

.

EXPLANATION:

We are use the Pythagoras' Theorem to find the shortest ( Diagonal) distance from starting point to the end point.

.

Total distance traveled northwards = 8 + 4 = 12 km

Total distance traveled eastwards = 5 km

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Find the diagonal distance from the start point to the end point:

a² + b² = c²

12² + 5 ² = c²

c² = 144 + 25

c² = 169

c = √169

c = 13 km

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