contestada

You walk 45 m to the north, then turn 90° to your right and walk another 45 m. How far are you from where you originally started?

A. 64 m

B. 41 m

C. 85 m

D. 45 m

Respuesta :

A

This is a right triangle with legs 45 and 45 . Calculating the hypotenuse gives the distance from the starting point

let hypotenuse be h, then using Pythagoras' identity

h = √(45² + 45² ) = √4050 = 63.6396.. ≈ 64


kevin9835

the answer is option A ....