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Mathematics 17 Online
OpenStudy (anonymous):

Given that: BC=4 BD=9 DE=9 AB=x What is the value of x? (its a triangle)

OpenStudy (anonymous):

@Peaches15 @ganeshie8 @Crissy15 plz

OpenStudy (anonymous):

@Peaches15 @ganeshie8 @Crissy15 plz

OpenStudy (anonymous):

@crissy15 sorry didnt know

OpenStudy (anonymous):

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ganeshie8 (ganeshie8):

how many triangles do you see above ?

OpenStudy (anonymous):

2

ganeshie8 (ganeshie8):

Notice that those two triangles have same angles

ganeshie8 (ganeshie8):

so they are similar, you can setup an useful proportion to solve the unknown

ganeshie8 (ganeshie8):

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