1/5 x 4 is going to be 4/5 because
1 x4 =4
5 1 =5
so, it equals 4/5!
Answer:
18 inches
Step-by-step explanation:
Given
--- radius
--- distance between chord and the center of the circle
Required
The chord length
See attachment for illustration
First, calculate distance AX using Pythagoras theorem.

This gives:


Collect like terms


Take square roots of both sides

AB is then calculated as:

Where:

So:


Answer:
.125
Step-by-step explanation:
4*5*4=80
10/80 = .125