Question

Word problem please help:)

Answer 1

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)}` =
`√(36+ 16)` ≈ 7.2

Answer 2

7.2 km away from her starting point

hope I helped you:)