What value of 'c' makes the equation true? 3/6=4/c*
Brainliest to whom answers fast and accurately (please hurry!!)

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?