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Mathematics 19 Online
OpenStudy (anonymous):

i dont under stand can someone elplain step by step

OpenStudy (anonymous):

@ShadowLegendX @DanJS

OpenStudy (anonymous):

@AlexandervonHumboldt2

ganeshie8 (ganeshie8):

can you draw it here using draw tool

OpenStudy (littlebird):

This is going to be a challenge to explain. Here's my first step. A helpful hint is that if you extend the lines in the diagram, you will see two similar triangles. |dw:1420693059611:dw|

ganeshie8 (ganeshie8):

similar triangles are awesome but there is an easy way to work this w/o using them

ganeshie8 (ganeshie8):

|dw:1420693815351:dw|

ganeshie8 (ganeshie8):

we can use the fact that there are two right angles to our advantage and find the other side easily

ganeshie8 (ganeshie8):

|dw:1420693947038:dw|

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