Question

If the length of AD is really 73 units and the length of DC is 48 units find the length of AC

Answer 1

I assume you're talking about a right triangle?

Then we use the Pythagorean Theorem: 73^2+48^2=c^2

This is equal to 5329+2304=c^2

7633=c^2

87.367=c

Hope this helped