Answer:
- The approximate distance between the docks is 357 feet
Step-by-step explanation:
Let the distance between docks be d.
This is the opposite side to 45° angle of triangle with other sides 400 ft and 500 ft.
Use the law of cosines to find the value of d:
- (rounded)
A^2+b^2=c^2
4 squared and 3 squared =25
square root of 25 is 5
answer is d
5 less than 162=162-5
=157
Product=18x157
=2826
They both have money included.