147k views
1 vote
Chase is mountain climbing with Elise and has just climbed a 20-meter vertical rock face.Elise is standing 15 meters away from the bottom of the cliff, looking up at Chase. How faraway are Chase and Elise?

1 Answer

3 votes

The answer is 25m

STEP 1

Recreate the diagram.

STEP 2

We solve for x using Pythagoras theorem


\begin{gathered} x^2=20^2+15^2 \\ x^2=400+225 \\ x^2=625 \\ x=25 \end{gathered}

Chase is mountain climbing with Elise and has just climbed a 20-meter vertical rock-example-1
User Dknaus
by
4.3k points