Question

Choose the most appropriate option for the following question.

A man walks 1 km. towards East and then he turns to South and walk s 5 kms. Again he turns to East and walks 2 kms. After this he turns to North and walks 9 kms. Now, how far is he from his starting point?

Options

• 5 kms

• 4 kms

• 9 kms.

• 10 kms.

Answer 1

5 kms

Explanation:

The direction diagram of a man is as follows:

BO = CD = 2 km

and AB + BO = AO

1 + 2 = 3 km

In Δ AOE,

AE² = EO² + OA²

AE² = 4² + 3²

AE² = 16 + 9

AE² = 25

AE = 5 km