Question

Can someone please help me with this?

Answer 1

Explanation:

As we can see it is a right angled triangle so

hypotenuse (h) = 14 . 7 km

perpendicular (p) = 11.9 km

base (b) = x

Now by using Pythagoras theorem

`b^(2) = h^(2) - p ^(2)`

`b^(2) = 14.7^(2) - 11.9^(2)`

`b^(2) = 216.09 - 141.61`

`b^(2) = 74.48\\b = √(74.48) \\b = 8.63 km`

Hope it was helpful.:)