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Circles
by Leow Wei Bo
# Circles

## What?

### symmetric shape

### the diameter & radius are
always in a straight line

### shape that has no
right-angled,90degree

### always 360degree

## Funky Foxes

### Hazwani

### Wei Bo

### Si En

## Circumference

### twice the radius

### ∏ x radius x 2 OR ∏ x
diameter

### units

### formula

## Why?

### build buildings in circular shape

### to measure a circular thing

## Diameter

### units

### pass through its centre

### r x 2

## Area

### ∏ x r x r

### units

## Radius

### half of diameter

### units

### ∏x (d/2)

## Radius

### ∏ x (d/2)

### half of diameter

### units

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Diameter

circumference

Area

checking the language

Why?

What?

cm

m

Semi-Circle, 1/2 x∏x diameter

quadrant, 1/4 x ∏ x diameter

cm

m

cm2

m2

m

cm

m

cm