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Mathematics 9 Online
OpenStudy (mathmath333):

Counting Problem

OpenStudy (anonymous):

1, 2, 3, 4 ...

OpenStudy (mathmath333):

OpenStudy (yadu123):

25 grey dots 5 blue

OpenStudy (yadu123):

6 green lines 5 red

OpenStudy (yadu123):

20 squares

OpenStudy (mathmath333):

|dw:1440255088214:dw|

OpenStudy (mathmath333):

\(\large \color{black}{\begin{align} & \normalsize \text{The red and green lines are parallel to eachother.}\hspace{.33em}\\~\\ & \normalsize \text{Find the number of parallelograms formed.}\hspace{.33em}\\~\\ \end{align}}\)

OpenStudy (yadu123):

i think its still 20 parralelograms

OpenStudy (anonymous):

there is a technique we can use

OpenStudy (anonymous):

btw, how did you draw it like that? it looks cool

OpenStudy (yadu123):

a parralleogram is a shape with opposite sides parallel and opposite angles equal

OpenStudy (mathmath333):

Using geozebra

OpenStudy (mathmath333):

|dw:1440255355482:dw|

OpenStudy (yadu123):

so is it 20?

OpenStudy (mathmath333):

https://www.geogebra.org/

OpenStudy (mathmath333):

|dw:1440255407583:dw| this is also a prallelogram so answer is not 20

OpenStudy (yadu123):

oh

ganeshie8 (ganeshie8):

|dw:1440255451325:dw|

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