Question

Word problem please help:)

Answer 1

7.2 km away from her starting point

hope I helped you:)

Answer 2

Hi,
You have to find length of AB (See screen)
AB - is the hypotenuse of a right triangle ABC.
According to the Pythagorean theoremAB = $\sqrt{BC^{2} + CA^{2}}$
BC = AD + EB = 1 + 5 =6
CA=ED = 4
AB = $\sqrt{6^{2} + 4^{2}}$ = $\sqrt{36+ 16}$ ≈ 7.2