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Mathematics 7 Online
OpenStudy (anonymous):

more triangle help

OpenStudy (anonymous):

|dw:1439488121334:dw| Given that: AB=8 BC=3 DE=13 BD=x find the value of X

OpenStudy (anonymous):

The triangles are similar, so corresponding sides are proportion \[\frac{ AB }{ AD }=\frac{ BC }{ DE}\] \[\frac{ 8 }{ 8+x }=\frac{ 3 }{ 13 }\] Cross multiply to solve

OpenStudy (anonymous):

soo it would be 80/3 correct

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

hahahahah imma boss

OpenStudy (anonymous):

sooooo for this one |dw:1439489040701:dw|

OpenStudy (anonymous):

It's the same triangle, just match the lengths up with the letters.

OpenStudy (anonymous):

uhhhh it may take a few times to get it on lock

OpenStudy (anonymous):

1/7=x/5

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

i got whts next

OpenStudy (anonymous):

cross multiply

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