Mathematics, 12.05.2021 18:10, gabby77778

What is the perimeter of this figure?

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Mathematics, 21.06.2019 21:30, shongmadi77

With number 11 ( show how you got the answer)

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Mathematics, 21.06.2019 21:40, janetexcoelho

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Mathematics, 21.06.2019 22:00, HistoryLee

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?