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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}400π m400, pi, start text, space, m, end text.

What is the diameter of the lake?

1 Answer

5 votes

Answer:

diameter = 400 m

Explanation:

Perimeter of circle = pi * d

400 pi = pi * d

d = 400 meters

User El Danielo
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