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Circles by Mind Map: Circles
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Circles

Task

xiao yan

Fromula

Hassan

history of pi

Shu jin

How

What

Why

pi

3.14 or 22/7

Radius

1/2 of diameter

The distance from the center point to the circle

Area

The inside of the circle

Formula

circle pi x r x r

semi circle=1/2 x pi x r x r

quardant=1/4 x pi x r x r

diameter

Distance across the circle

also 2x radius

Circumference

Formula

pi x radius x 2

pi x diameter

The distance around the circle

you need to add the diameter if they want you to find the perimeter of the figes

Amazing Alaconda

Hassan

xiao yan

shu jin

How

New node

What

what is circle

a polygon with indefinite sides

Why

why we need to learn circle

because circle is found in our daily life

History

New node

where

where does circle come from

from the Latin