Question

What is the distance from the shore to the waterfall in the image of the koi pond shown below? All measurements are in yards. Round to the nearest hundredth if needed.

3 yards
99.72 yards
13.8 yards
6.43 yards

Answer 1

Answer: D, 6.43 yards

Answer 2

6.43 yards

Explanation:

a²+b²=c²

x²+5.4²=8.4²

x²+29.16=70.56

-29.16 -29.16

x²=41.4

x=6.43